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Average Weather in Nombela Spain

In Nombela, the summers are short, hot, dry, and mostly clear and the winters are cold and partly cloudy. Over the course of the year, the temperature typically varies from 34°F to 93°F and is rarely below 25°F or above 101°F.

Based on the beach/pool score, the best time of year to visit Nombela for hot-weather activities is from late June to late August.

Climate Summary

coldcoolwarmhotwarmcoolcoldJanFebMarAprMayJunJulAugSepOctNovDec89%89%50%50%clearovercastprecipitation: 1.8 inprecipitation: 1.8 in0.2 in0.2 inmuggy: 0%muggy: 0%0%0%drydrybeach/pool score: 8.6beach/pool score: 8.60.00.0
Click on each chart for more information.

Temperature

The hot season lasts for 2.9 months, from June 13 to September 10, with an average daily high temperature above 85°F. The hottest day of the year is July 22, with an average high of 93°F and low of 65°F.

The cool season lasts for 3.7 months, from November 15 to March 4, with an average daily high temperature below 60°F. The coldest day of the year is January 15, with an average low of 34°F and high of 52°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 in NombelaJanFebMarAprMayJunJulAugSepOctNovDec12 AM4 AM8 AM12 PM4 PM8 PM12 AMvery coldvery coldcoldcoldcoolcoolcomfortablewarmwarmhotvery coldvery cold
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 average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Leona Valley, California, United States (5,778 miles away) is the far-away foreign place with temperatures most similar to Nombela (view comparison).

Clouds

In Nombela, 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 in Nombela begins around June 10 and lasts for 3.0 months, ending around September 12. On July 21, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 89% of the time, and overcast or mostly cloudy 11% of the time.

The cloudier part of the year begins around September 12 and lasts for 9.0 months, ending around June 10. On December 16, the cloudiest day of the year, the sky is overcast or mostly cloudy 50% of the time, and clear, mostly clear, or partly cloudy 50% of the time.

Cloud Cover Categories

Cloud Cover Categories in NombelaclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Jul 2189%Jul 2189%Dec 1650%Dec 1650%Jun 1069%Jun 1069%Sep 1270%Sep 1270%clearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

Precipitation

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Nombela varies throughout the year.

The wetter season lasts 8.4 months, from September 28 to June 10, with a greater than 13% chance of a given day being a wet day. The chance of a wet day peaks at 22% on October 31.

The drier season lasts 3.6 months, from June 10 to September 28. The smallest chance of a wet day is 4% on July 30.

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 22% on October 31.

Daily Chance of Precipitation

Daily Chance of Precipitation in NombelawetwetdryJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Oct 3122%Oct 3122%Jul 304%Jul 304%Jan 117%Jan 117%Jun 1013%Jun 1013%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. Nombela experiences some seasonal variation in monthly rainfall.

The rainy period of the year lasts for 9.7 months, from September 5 to June 27, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around October 28, with an average total accumulation of 1.8 inches.

The rainless period of the year lasts for 2.3 months, from June 27 to September 5. The least rain falls around July 31, with an average total accumulation of 0.2 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 in Nombela varies significantly over the course of the year. In 2018, the shortest day is December 21, with 9 hours, 19 minutes of daylight; the longest day is June 21, with 15 hours, 2 minutes of daylight.

Hours of Daylight and Twilight

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 6:48 AM on June 14, and the latest sunrise is 1 hour, 53 minutes later at 8:41 AM on October 27. The earliest sunset is at 5:52 PM on December 8, and the latest sunset is 3 hours, 59 minutes later at 9:51 PM on June 27.

Daylight saving time (DST) is observed in Nombela during 2018, starting in the spring on March 25, lasting 7.1 months, and ending in the fall on October 28.

Sunrise & Sunset with Twilight and Daylight Saving Time

Sunrise & Sunset with Twilight and Daylight Saving Time in NombelaJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM2 AMJun 146:48 AMJun 146:48 AM9:51 PMJun 279:51 PMJun 27Dec 85:52 PMDec 85:52 PM8:41 AMOct 278:41 AMOct 27Mar 25DSTMar 25DSTDSTOct 28DSTOct 28daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunset
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.

The perceived humidity level in Nombela, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, remaining a virtually constant 0% throughout.

Humidity Comfort Levels

Humidity Comfort Levels in NombelaJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Feb 210%Feb 210%Jul 260%Jul 260%comfortablecomfortabledrydry
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

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 in Nombela experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 3.4 months, from January 29 to May 10, with average wind speeds of more than 7.6 miles per hour. The windiest day of the year is April 7, with an average hourly wind speed of 8.5 miles per hour.

The calmer time of year lasts for 8.6 months, from May 10 to January 29. The calmest day of the year is September 16, with an average hourly wind speed of 6.7 miles per hour.

Average Wind Speed

Average Wind Speed in NombelawindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph2 mph4 mph6 mph8 mph10 mph12 mph14 mphApr 78.5 mphApr 78.5 mphSep 166.7 mphSep 166.7 mphJan 297.6 mphJan 297.6 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 in Nombela varies throughout the year.

The wind is most often from the west for 4.0 days, from January 3 to January 7; for 2.0 weeks, from February 10 to February 24; and for 8.3 months, from March 11 to November 20, with a peak percentage of 44% on August 4. The wind is most often from the north for 1.1 months, from January 7 to February 10; for 2.1 weeks, from February 24 to March 11; and for 1.5 months, from November 20 to January 3, with a peak percentage of 33% on February 1.

Wind Direction

Wind Direction in NombelaNWNWNJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%westeastnorthsouth
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Best Time of Year to Visit

To characterize how pleasant the weather is in Nombela 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 Nombela for general outdoor tourist activities are from mid May to early July and from mid August to mid October, with a peak score in the third week of September.

Tourism Score

Tourism Score in Nombelabest timebest timeJanFebMarAprMayJunJulAugSepOctNovDec02468107.47.40.80.87.27.26.46.4 precipitationprecipitationcloudscloudstemperaturetemperaturetourism 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 time of year to visit Nombela for hot-weather activities is from late June to late August, with a peak score in the last week of July.

Beach/Pool Score

Beach/Pool Score in Nombelabest timeJanFebMarAprMayJunJulAugSepOctNovDec02468108.68.60.00.0 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 in Nombela typically lasts for 8.3 months (254 days), from around March 12 to around November 22, rarely starting before February 18 or after April 7, and rarely ending before November 2 or after December 14.

Time Spent in Various Temperature Bands and the Growing Season

Time Spent in Various Temperature Bands and the Growing Season in Nombelagrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Mar 1250%Mar 1250%Nov 2250%Nov 2290%Apr 790%Apr 790%Nov 290%Nov 210%Feb 1810%Feb 1810%Dec 1410%Dec 140%Jan 200%Jan 20Jul 28100%Jul 28100%very coldcoldcoolcomfortablewarmhot
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 percentage of time spent in various temperature bands. 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 in Nombela should appear around March 5, only rarely appearing before February 22 or after March 20.

Growing Degree Days

Growing Degree Days in NombelaJanFebMarAprMayJunJulAugSepOctNovDec0°F500°F1,000°F1,500°F2,000°F2,500°F3,000°F3,500°F4,000°F4,500°FMar 588°FMar 588°FJun 2900°FJun 2900°FJul 101,800°FJul 101,800°FDec 314,302°FDec 314,302°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 extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 3.3 months, from May 12 to August 21, with an average daily incident shortwave energy per square meter above 7.0 kWh. The brightest day of the year is July 4, with an average of 8.3 kWh.

The darker period of the year lasts for 3.5 months, from October 28 to February 12, with an average daily incident shortwave energy per square meter below 3.3 kWh. The darkest day of the year is December 20, with an average of 2.0 kWh.

Average Daily Incident Shortwave Solar Energy

Average Daily Incident Shortwave Solar Energy in NombelabrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWh9 kWh10 kWhJul 48.3 kWhJul 48.3 kWhDec 202.0 kWhDec 202.0 kWhMay 127.0 kWhMay 127.0 kWhAug 217.0 kWhAug 217.0 kWhOct 283.3 kWhOct 283.3 kWhFeb 123.3 kWhFeb 123.3 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.

Topography

For the purposes of this report, the geographical coordinates of Nombela are 40.155 deg latitude, -4.502 deg longitude, and 1,552 ft elevation.

The topography within 2 miles of Nombela contains very significant variations in elevation, with a maximum elevation change of 1,073 feet and an average elevation above sea level of 1,655 feet. Within 10 miles contains very significant variations in elevation (2,717 feet). Within 50 miles contains large variations in elevation (7,444 feet).

The area within 2 miles of Nombela is covered by cropland (51%), grassland (21%), and trees (19%), within 10 miles by cropland (55%) and trees (29%), and within 50 miles by cropland (45%) and trees (22%).

Data Sources

This report illustrates the typical weather in Nombela, 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

There are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Nombela.

For each station, the records are corrected for the elevation difference between that station and Nombela according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Nombela is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Nombela and a given station.

The stations contributing to this reconstruction are: Adolfo Suárez Madrid–Barajas Airport (63%, 88 kilometers, northeast) and Salamanca Airport (37%, 123 kilometers, northwest).

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.