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July Weather at Monterey Regional Airport California, United States

Daily high temperatures are around 67°F, rarely falling below 62°F or exceeding 73°F.

Daily low temperatures are around 54°F, rarely falling below 50°F or exceeding 59°F.

For reference, on September 12, the hottest day of the year, temperatures at Monterey Regional Airport typically range from 55°F to 69°F, while on January 2, the coldest day of the year, they range from 43°F to 59°F.

Average High and Low Temperature in July at Monterey Regional Airport

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 hourly average temperatures for the quarter of the year centered on July. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in July at Monterey Regional Airport

Average Hourly Temperature in July at Monterey Regional AirportJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMJunAugNowNowcoldcoolcomfortable
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.

Valparaíso, Chile (5,805 miles away) is the far-away foreign place with temperatures most similar to Monterey Regional Airport (view comparison).

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© Esri, et al.

Compare Monterey Regional Airport to another city:

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The month of July at Monterey Regional Airport experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 13% to 9%.

The clearest day of the month is July 29, with clear, mostly clear, or partly cloudy conditions 91% of the time.

For reference, on February 16, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 51%, while on August 7, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 92%.

Cloud Cover Categories in July at Monterey Regional Airport

Cloud Cover Categories in July at Monterey Regional AirportJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JunAugJul 187%Jul 187%Jul 3191%Jul 3191%Jul 1189%Jul 1189%Jul 2191%Jul 2191%NowNowclearmostly clearovercastmostly cloudypartly cloudy
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.

Over the course of July at Monterey Regional Airport, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 36 minutes, implying an average daily decrease of 1 minute, 11 seconds, and weekly decrease of 8 minutes, 19 seconds.

The shortest day of the month is July 31, with 14 hours, 1 minute of daylight and the longest day is July 1, with 14 hours, 37 minutes of daylight.

Hours of Daylight and Twilight in July at Monterey Regional Airport

Hours of Daylight and Twilight in July at Monterey Regional AirportJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrJunAugnightnightdaydayJul 114 hr, 37 minJul 114 hr, 37 minJul 3114 hr, 1 minJul 3114 hr, 1 minNowNow
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 of the month at Monterey Regional Airport is 5:52 AM on July 1 and the latest sunrise is 20 minutes later at 6:12 AM on July 31.

The latest sunset is 8:29 PM on July 1 and the earliest sunset is 16 minutes earlier at 8:14 PM on July 31.

Daylight saving time is observed at Monterey Regional Airport during 2022, but it neither starts nor ends during July, so the entire month is in daylight saving time.

For reference, on June 21, the longest day of the year, the Sun rises at 5:49 AM and sets 14 hours, 40 minutes later, at 8:29 PM, while on December 21, the shortest day of the year, it rises at 7:15 AM and sets 9 hours, 40 minutes later, at 4:55 PM.

Sunrise & Sunset with Twilight in July at Monterey Regional Airport

Sunrise & Sunset with Twilight in July at Monterey Regional AirportJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031312 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJunAug5:52 AM5:52 AMJul 18:29 PMJul 18:29 PM6:12 AM6:12 AMJul 318:14 PMJul 318:14 PM6:01 AM6:01 AMJul 168:25 PMJul 168:25 PMSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day over the course of July. 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 figure below presents a compact representation of key lunar data for July 2022. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

Moon Rise, Set & Phases in July at Monterey Regional Airport

Moon Rise, Set & Phases in July at Monterey Regional AirportJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJunAugJun 144:52 AMJun 144:52 AMJun 287:53 PMJun 287:53 PMJul 1311:38 AMJul 1311:38 AMJul 2810:56 AMJul 2810:56 AMAug 116:36 PMAug 116:36 PMAug 271:18 AMAug 271:18 AM8:05 PM8:05 PM5:44 AM5:44 AM5:14 AM5:14 AM8:41 PM8:41 PM8:03 PM8:03 PM5:33 AM5:33 AM5:51 AM5:51 AM8:49 PM8:49 PM8:23 PM8:23 PM6:54 AM6:54 AM5:44 AM5:44 AM7:54 PM7:54 PMNowNow
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.
Jul 2022IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
7%7:57 AMENE10:48 PMWNW-3:25 PMS251,074 mi
2
13%8:57 AMENE11:19 PMWNW-4:11 PMS249,582 mi
3
20%9:57 AMENE11:47 PMWNW-4:55 PMS247,556 mi
4
29%10:58 AMENE--5:38 PMS244,994 mi
5
39%-12:13 AMW11:58 AME6:20 PMS241,932 mi
6
50%-12:38 AMW1:00 PME7:03 PMS238,460 mi
7
61%-1:04 AMW2:04 PME7:48 PMS234,733 mi
8
72%-1:31 AMWSW3:12 PMESE8:37 PMS230,982 mi
9
82%-2:03 AMWSW4:23 PMESE9:32 PMS227,504 mi
10
91%-2:40 AMWSW5:38 PMESE10:32 PMS224,638 mi
11
97%-3:27 AMWSW6:53 PMESE11:39 PMS222,716 mi
12
99%-4:24 AMSW8:03 PMSE--
13
100%-5:33 AMSW9:02 PMESE12:48 AMS221,995 mi
14
99%-6:48 AMWSW9:52 PMESE1:55 AMS222,588 mi
15
96%-8:05 AMWSW10:32 PMESE2:58 AMS224,432 mi
16
90%-9:20 AMWSW11:05 PMESE3:55 AMS227,305 mi
17
81%-10:30 AMW11:33 PME4:47 AMS230,889 mi
18
71%-11:37 AMW-5:34 AMS234,829 mi
19
61%12:00 AME12:40 PMW-6:18 AMS238,791 mi
20
50%12:26 AME1:42 PMWNW-7:01 AMS242,496 mi
21
40%12:52 AMENE2:44 PMWNW-7:45 AMS245,735 mi
22
30%1:21 AMENE3:44 PMWNW-8:29 AMS248,376 mi
23
22%1:52 AMENE4:44 PMWNW-9:15 AMS250,353 mi
24
14%2:29 AMENE5:43 PMWNW-10:04 AMS251,658 mi
25
8%3:11 AMENE6:37 PMNW-10:53 AMS252,326 mi
26
3%3:59 AMNE7:27 PMNW-11:44 AMS252,417 mi
27
1%4:53 AMENE8:11 PMWNW-12:34 PMS252,001 mi
28
0%5:51 AMENE8:49 PMWNW-1:23 PMS251,145 mi
29
1%6:51 AMENE9:22 PMWNW-2:10 PMS249,899 mi
30
4%7:52 AMENE9:51 PMWNW-2:54 PMS248,295 mi
31
10%8:52 AMENE10:17 PMW-3:37 PMS246,348 mi

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 chance that a given day will be muggy at Monterey Regional Airport is essentially constant during July, remaining around 0% throughout.

For reference, on September 16, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 17, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in July at Monterey Regional Airport

Humidity Comfort Levels in July at Monterey Regional AirportJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%JunAugJul 10%Jul 10%Jul 310%Jul 310%Jul 110%Jul 110%Jul 210%Jul 210%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.

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 Monterey Regional Airport is gradually decreasing during July, decreasing from 7.0 miles per hour to 6.4 miles per hour over the course of the month.

For reference, on April 17, the windiest day of the year, the daily average wind speed is 8.1 miles per hour, while on September 16, the calmest day of the year, the daily average wind speed is 6.2 miles per hour.

Average Wind Speed in July at Monterey Regional Airport

Average Wind Speed in July at Monterey Regional AirportJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mphJunAugJul 17.0 mphJul 17.0 mphJul 316.4 mphJul 316.4 mphJul 166.6 mphJul 166.6 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The hourly average wind direction at Monterey Regional Airport throughout July is predominantly from the west, with a peak proportion of 75% on July 30.

Wind Direction in July at Monterey Regional Airport

Wind Direction in July at Monterey Regional AirportJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%JunAugNowNowwestnorthsouth
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).

Monterey Regional 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 surface water temperature at Monterey Regional Airport is gradually increasing during July, rising by 2°F, from 56°F to 58°F, over the course of the month.

Average Water Temperature in July at Monterey Regional Airport

Average Water Temperature in July at Monterey Regional AirportJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313152°F52°F54°F54°F56°F56°F58°F58°F60°F60°F62°F62°FJunAugJul 156°FJul 156°FJul 3158°FJul 3158°FJul 1156°FJul 1156°FJul 2157°FJul 2157°FNowNow
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

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).

Temperatures at Monterey Regional Airport are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Time Spent in Various Temperature Bands and the Growing Season in July at Monterey Regional Airport

Time Spent in Various Temperature Bands and the Growing Season in July at Monterey Regional Airportgrowing seasonJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JunAug100%Jul 16100%Jul 16Jul 8100%Jul 8100%NowNowcoldcoolcomfortable
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.

The average accumulated growing degree days at Monterey Regional Airport are increasing during July, increasing by 286°F, from 951°F to 1,238°F, over the course of the month.

Growing Degree Days in July at Monterey Regional Airport

Growing Degree Days in July at Monterey Regional AirportJul1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930303131800°F800°F900°F900°F1,000°F1,000°F1,100°F1,100°F1,200°F1,200°F1,300°F1,300°F1,400°F1,400°F1,500°F1,500°F1,600°F1,600°FJunAugJul 1951°FJul 1951°FJul 311,238°FJul 311,238°FJul 161,092°FJul 161,092°FNowNow
The average growing degree days accumulated over the course of July, with 25th to 75th and 10th to 90th percentile bands.

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 at Monterey Regional Airport is essentially constant during July, remaining within 0.2 kWh of 8.2 kWh throughout.

Average Daily Incident Shortwave Solar Energy in July at Monterey Regional Airport

Average Daily Incident Shortwave Solar Energy in July at Monterey Regional AirportJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhJunAugJul 18.4 kWhJul 18.4 kWhJul 318.0 kWhJul 318.0 kWhJul 168.3 kWhJul 168.3 kWhNowNow
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Monterey Regional Airport are 36.588 deg latitude, -121.839 deg longitude, and 220 ft elevation.

The topography within 2 miles of Monterey Regional Airport contains very significant variations in elevation, with a maximum elevation change of 896 feet and an average elevation above sea level of 260 feet. Within 10 miles contains very significant variations in elevation (3,045 feet). Within 50 miles contains large variations in elevation (5,850 feet).

The area within 2 miles of Monterey Regional Airport is covered by artificial surfaces (55%), shrubs (20%), and cropland (13%), within 10 miles by water (31%) and shrubs (18%), and within 50 miles by water (46%) and grassland (18%).

This report illustrates the typical weather at Monterey Regional 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

Monterey Regional 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 Salinas Municipal Airport, Watsonville Municipal Airport, Hollister Municipal Airport, Norman Y. Mineta San José International Airport, Moffett Federal Airfield, Point Piedras Blanca, Hayward Air Terminal Airport, and Livermore Municipal Airport.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , 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 airports 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.

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