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Average Weather at Zephyrhills Municipal Airport Florida, United States

At Zephyrhills Municipal Airport, the summers are long, hot, oppressive, wet, and mostly cloudy and the winters are short, cool, and partly cloudy. Over the course of the year, the temperature typically varies from 46°F to 91°F and is rarely below 32°F or above 95°F.

Climate Summary

comfortablewarmhotwarmJanFebMarAprMayJunJulAugSepOctNovDec65%65%33%33%clearprecipitation: 6.5 inprecipitation: 6.5 in1.6 in1.6 inmuggy: 98%muggy: 98%6%6%drydrytourism score: 6.3tourism score: 6.33.83.8
Click on each chart for more information.

Based on the tourism score, the best times of year to visit Zephyrhills Municipal Airport for warm-weather activities are from mid March to mid May and from mid October to late November.

Temperature

The hot season lasts for 5.1 months, from May 2 to October 6, with an average daily high temperature above 87°F. The hottest day of the year is August 20, with an average high of 91°F and low of 70°F.

The cool season lasts for 2.5 months, from December 7 to February 20, with an average daily high temperature below 75°F. The coldest day of the year is January 15, with an average low of 46°F and high of 71°F.

Average High and Low Temperature

The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature

Average Hourly Temperature at Zephyrhills Municipal AirportJanFebMarAprMayJunJulAugSepOctNovDec12 AM4 AM8 AM12 PM4 PM8 PM12 AMcoldcoldcoolcoolcoolcoolcomfortablewarmhotcoldcold
The average hourly temperature, color coded into bands: frigid < 15°F < freezing < 32°F < very cold < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The shaded overlays indicate night and civil twilight.

Bethanie, Namibia (7,594 miles away) and Biloela, Australia (9,199 miles) are the far-away foreign places with temperatures most similar to Zephyrhills Municipal Airport (view comparison).

Clouds

At Zephyrhills Municipal Airport, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year at Zephyrhills Municipal Airport begins around October 1 and lasts for 8.1 months, ending around June 6. On May 1, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 65% of the time, and overcast or mostly cloudy 35% of the time.

The cloudier part of the year begins around June 6 and lasts for 3.9 months, ending around October 1. On July 10, the cloudiest day of the year, the sky is overcast or mostly cloudy 67% of the time, and clear, mostly clear, or partly cloudy 33% of the time.

Cloud Cover Categories

Cloud Cover Categories at Zephyrhills Municipal AirportclearerclearercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%May 165%May 165%Jul 1033%Jul 1033%Oct 149%Oct 149%Jun 649%Jun 649%clearmostly clearpartly cloudymostly cloudyovercast
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds: clear < 20% < mostly clear < 40% < partly cloudy < 60% < mostly cloudy < 80% < overcast.

Precipitation

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days at Zephyrhills Municipal Airport varies very significantly throughout the year.

The wetter season lasts 3.7 months, from June 1 to September 23, with a greater than 45% chance of a given day being a wet day. The chance of a wet day peaks at 75% on July 31.

The drier season lasts 8.3 months, from September 23 to June 1. The smallest chance of a wet day is 14% on November 21.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 75% on July 31.

Daily Chance of Precipitation

Daily Chance of Precipitation at Zephyrhills Municipal AirportwetdrydryJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Jul 3175%Jul 3175%Nov 2114%Nov 2114%Jan 117%Jan 117%Jun 145%Jun 145%Sep 2345%Sep 2345%rain
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Zephyrhills Municipal Airport experiences extreme seasonal variation in monthly rainfall.

Rain falls throughout the year at Zephyrhills Municipal Airport. The most rain falls during the 31 days centered around June 28, with an average total accumulation of 6.5 inches.

The least rain falls around November 10, with an average total accumulation of 1.6 inches.

Average Monthly Rainfall

The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average liquid-equivalent snowfall.

Sun

The length of the day at Zephyrhills Municipal Airport varies over the course of the year. In 2018, the shortest day is December 21, with 10 hours, 21 minutes of daylight; the longest day is June 21, with 13 hours, 56 minutes of daylight.

Hours of Daylight and Twilight

Hours of Daylight and Twilight at Zephyrhills Municipal AirportJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 8 minMar 2012 hr, 8 minMar 2013 hr, 56 minJun 2113 hr, 56 minJun 2112 hr, 8 minSep 2212 hr, 8 minSep 2210 hr, 21 minDec 2110 hr, 21 minDec 21nightnightday
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The earliest sunrise is at 6:31 AM on June 10, and the latest sunrise is 1 hour, 12 minutes later at 7:42 AM on March 11. The earliest sunset is at 5:32 PM on December 1, and the latest sunset is 2 hours, 58 minutes later at 8:29 PM on July 1.

Daylight saving time (DST) is observed at Zephyrhills Municipal Airport during 2018, starting in the spring on March 11, lasting 7.8 months, and ending in the fall on November 4.

Sunrise & Sunset with Twilight and Daylight Saving Time

Sunrise & Sunset with Twilight and Daylight Saving Time at Zephyrhills Municipal AirportJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 106:31 AMJun 106:31 AM8:29 PMJul 18:29 PMJul 1Dec 15:32 PMDec 15:32 PM7:42 AMMar 117:42 AMMar 11Mar 11DSTMar 11DSTDSTNov 4DSTNov 4daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of the year 2018. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the 'DST' labels.

Humidity

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

Zephyrhills Municipal Airport experiences extreme seasonal variation in the perceived humidity.

The muggier period of the year lasts for 6.0 months, from May 3 to November 2, during which time the comfort level is muggy, oppressive, or miserable at least 29% of the time. The muggiest day of the year is July 26, with muggy conditions 98% of the time.

The least muggy day of the year is January 30, with muggy conditions 6% of the time.

Humidity Comfort Levels

Humidity Comfort Levels at Zephyrhills Municipal AirportmuggyJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Jan 306%Jan 306%98%Jul 2698%Jul 26May 329%May 329%Nov 229%Nov 229%miserablemiserableoppressiveoppressivemuggymuggyhumidhumiddrydrycomfortablecomfortable
The percentage of time spent at various humidity comfort levels, categorized by dew point: dry < 55°F < comfortable < 60°F < humid < 65°F < muggy < 70°F < oppressive < 75°F < miserable.

Wind

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed at Zephyrhills Municipal Airport experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 8.0 months, from September 25 to May 24, with average wind speeds of more than 7.6 miles per hour. The windiest day of the year is March 10, with an average hourly wind speed of 9.6 miles per hour.

The calmer time of year lasts for 4.0 months, from May 24 to September 25. The calmest day of the year is July 20, with an average hourly wind speed of 5.6 miles per hour.

Average Wind Speed

Average Wind Speed at Zephyrhills Municipal AirportwindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph2 mph4 mph6 mph8 mph10 mph12 mph14 mphMar 109.6 mphMar 109.6 mphJul 205.6 mphJul 205.6 mphSep 257.6 mphSep 257.6 mphMay 247.6 mphMay 247.6 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The predominant average hourly wind direction at Zephyrhills Municipal Airport varies throughout the year.

The wind is most often from the east for 3.4 months, from March 2 to June 13 and for 2.4 months, from August 11 to October 24, with a peak percentage of 51% on September 11. The wind is most often from the west for 1.9 months, from June 13 to August 11, with a peak percentage of 37% on July 6. The wind is most often from the north for 4.3 months, from October 24 to March 2, with a peak percentage of 37% on January 1.

Wind Direction

Wind Direction at Zephyrhills Municipal AirportNEWENJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%westeastnorthsouth
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions (north, east, south, and west), excluding hours in which the mean wind speed is less than 1 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Water Temperature

Zephyrhills Municipal Airport is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average water temperature experiences significant seasonal variation over the course of the year.

The time of year with warmer water lasts for 4.0 months, from June 5 to October 7, with an average temperature above 81°F. The day of the year with the warmest water is August 8, with an average temperature of 86°F.

The time of year with cooler water lasts for 3.2 months, from December 18 to March 24, with an average temperature below 68°F. The day of the year with the coolest water is February 5, with an average temperature of 64°F.

Average Water Temperature

The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

Best Time of Year to Visit

To characterize how pleasant the weather is at Zephyrhills Municipal Airport throughout the year, we compute two travel scores.

The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best times of year to visit Zephyrhills Municipal Airport for general outdoor tourist activities are from mid March to mid May and from mid October to late November, with a peak score in the last week of October.

Tourism Score

Tourism Score at Zephyrhills Municipal Airportbest timebest timeJanFebMarAprMayJunJulAugSepOctNovDec02468106.36.33.83.86.26.24.54.5precipitationprecipitationcloudscloudstourism score
The tourism score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best times of year to visit Zephyrhills Municipal Airport for hot-weather activities are from mid April to mid June and from late August to late October, with a peak score in the second week of October.

Beach/Pool Score

Beach/Pool Score at Zephyrhills Municipal Airportbest timebest timeJanFebMarAprMayJunJulAugSepOctNovDec02468105.25.21.91.95.25.24.44.4 precipitationprecipitationcloudscloudstemperaturetemperaturebeach/pool score
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Methodology

For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.

Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.

Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.

Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.

Growing Season

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season at Zephyrhills Municipal Airport typically lasts for 10 months (310 days), from around February 14 to around December 21, rarely starting after March 19, or ending before November 22.

Time Spent in Various Temperature Bands and the Growing Season

Time Spent in Various Temperature Bands and the Growing Season at Zephyrhills Municipal Airportgrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Feb 1450%Feb 1450%Dec 2150%Dec 2190%Mar 1990%Mar 1990%Nov 2290%Nov 2215%Jan 1515%Jan 15Jul 26100%Jul 26100%coldcoolcomfortablewarmhotvery cold
The percentage of time spent in various temperature bands: frigid < 15°F < freezing < 32°F < very cold < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

Based on growing degree days alone, the first spring blooms at Zephyrhills Municipal Airport should appear around January 11, only rarely appearing before January 7 or after January 17.

Growing Degree Days

Growing Degree Days at Zephyrhills Municipal AirportJanFebMarAprMayJunJulAugSepOctNovDec0°F1,000°F2,000°F3,000°F4,000°F5,000°F6,000°F7,000°FJan 1190°FJan 1190°FMar 21900°FMar 21900°FMay 81,800°FMay 81,800°FDec 317,150°FDec 317,150°F
The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands.

Solar Energy

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy experiences significant seasonal variation over the course of the year.

The brighter period of the year lasts for 2.0 months, from April 2 to June 4, with an average daily incident shortwave energy per square meter above 6.1 kWh. The brightest day of the year is May 1, with an average of 6.8 kWh.

The darker period of the year lasts for 2.6 months, from November 11 to January 30, with an average daily incident shortwave energy per square meter below 4.1 kWh. The darkest day of the year is December 21, with an average of 3.4 kWh.

Average Daily Incident Shortwave Solar Energy

Average Daily Incident Shortwave Solar Energy at Zephyrhills Municipal AirportbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWh9 kWhMay 16.8 kWhMay 16.8 kWhDec 213.4 kWhDec 213.4 kWhJan 304.1 kWhJan 304.1 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

Data Sources

This report illustrates the typical weather at Zephyrhills Municipal Airport, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

Zephyrhills Municipal Airport has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations.

The stations on which we may fall back include but are not limited to Plant City Airport; Tampa, Vandenberg Airport; Hernando County Airport; Tampa, Peter O Knight Airport; Winter Haven's Gilbert Airport; Bartow Municipal Airport; Tampa International Airport; and Macdill Air Force Base, Fl..

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for aiports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.