Climate and monthly weather forecastPalm Desert, CA

Climate and monthly weather forecast
The climate of Palm Desert
Situated in California, USA, Palm Desert experiences what the Köppen climate classification describes as a BWh or subtropical desert climate. This predominant climate type distinctly exhibits persistently high temperatures accompanied by generally low humidity levels throughout the year.The monthly average high temperature varies from 58.1°F (14.5°C) in the coldest month of the year, being December, to a blistering 94.5°F (34.7°C) in July, the hottest month. The low temperature averages also demonstrate a similar trend, ranging from 43.5°F (6.4°C) in December to 73°F (22.8°C) in August. Therefore, residents and visitors should be prepared for sweltering summers and relatively mild winters.
Humidity levels show lesser variations compared to temperatures. The least humid months lie between June and August, registering a relative humidity of 29%, while the maximum level is 47%, evident during December. Rainfall evidences sporadic patterns of occurrence, with the wettest month being July with 1.34" (34mm) of rain, a stark contrast to the driest month of May with only 0.12" (3mm).
Cloud coverage stays relatively low all through the year, with the most cloud percentage being 19% in December and the lowest at 5% in June. Winds also maintain a consistent presence, with recorded wind speeds of 5.8mph (9.3km/h) in January, escalating to 8.6mph (13.8km/h) in May.
The best time to visit Palm Desert
The optimal window to visit Palm Desert falls between April and June due to milder temperatures and less cloud coverage. Temperatures ranging from 73.6°F (23.1°C) to 90.7°F (32.6°C) strike a balance between warmth and comfort for outdoor activity. Lower humidity percentages, dropping as low as 29% in June, make this period ideal for a getaway to the desert. Visitors expect fewer rainy days and increased daylight hours - upto 14.4 hours stretching the possibilities of long, sun-filled days.The worst time to visit Palm Desert
Visitors are often discouraged to plan visits between July and September, primarily due to intense heat with temperatures reaching up to 94.5°F (34.7°C). These months coincide with the height of summer and are often marred by high humidity levels. The rainfall also spikes in these months, reaching upwards of 0.94" (24mm), making outdoor activities less desirable.Spring weather in Palm Desert
Spring in Palm Desert, spanning March to May, is marked by a swift surge in temperature that aids in shaking off the residual winter chill. The average high temperature advances from 67.3°F (19.6°C) to 90.7°F (32.6°C) while the nights remain pleasantly cool with lows ranging between 48.7°F (9.3°C) and 64.9°F (18.3°C). Rainfall shows a pronounced decline, dropping to a monthly average of 0.12" (3mm) in May. Enhanced visible sunshine for up to 12.2 hours a day can be expected, promoting lively outdoor activities.Summer weather in Palm Desert
Summers in Palm Desert, encompassing June through August, are characterized by intense heat. The high temperatures often scale beyond 90°F (32.2°C), with July registering the highest average of 94.5°F (34.7°C). Low temperatures hover around the 70s°F, suggesting warm nights. July also experiences the most rainfall, averaging around 1.34" (34mm). The majority of days enjoy long hours of sunlight, extending from 14.1 to 13.4 daylight hours.Autumn weather in Palm Desert
Autumn arrives in Palm Desert in September and extends till November, distinguished by a gradual drop-in temperature. The high temperature on average descends from 87.1°F (30.6°C) to 67.6°F (19.8°C), while the low tapers off from 68.2°F (20.1°C) to 50°F (10°C). Rainfall manifests a significant drop, culminating in an average of 0.28" (7mm) in November. Despite shorter daylight hours ranging from 12.4 to 10.4 hours, most of these days remain sunny and clear, presenting compelling landscapes.Winter weather in Palm Desert
The winter months of December to February are the coldest, but the desert climate of Palm Desert ensures that winters are not harsh. High temperatures exhibit a mild drop from 58.1°F (14.5°C) in December to 61.7°F (16.5°C) by February. The low temperatures slide between 43.5°F (6.4°C) and 45.1°F (7.3°C). Rainfall levels rise slightly, averaging about 0.71" (18mm) in December but drop to 0.51" (13mm) in February. Despite shorter days, sunshine averages about 7 hours, presenting relatively mild and comfortable winter days.Weather in January
In Palm Desert, California, USA, January showcases a mild climate, with cool temperatures generally persisting throughout the month. The relative humidity hovers around 45%, offering comfortable conditions without excessive moisture. Weather in January »Weather in February
A slight edging towards warmer conditions can be observed in Palm Desert in February compared to January. The increment in humidity to around 45% is barely perceptible, yet the rise in temperature offers a welcomed respite for residents. Weather in February »Weather in March
March ushers in noticeable changes in the Palm Desert climate, presenting warmer conditions and reduced precipitation. The maximum temperature climbs to 67.3°F (19.6°C) during the daytime, making it a pleasing time for outdoor enthusiasts. Weather in March »Weather in April
April brings a distinct shift in the Palm Desert weather pattern with warmer days and lighter breezes. Peak temperatures are known to hit up to 73.6°F (23.1°C), inviting residents to revel in vibrant outdoor lifestyles. However, nighttime temperatures remain on the cooler side, providing an excellent counterpart to the hotter afternoons. Weather in April »Weather in May
May signifies the commencement of the hot summer season in Palm Desert, California, USA. A marked increase in temperatures can be felt with the mercury rising at an average of 79.9°F (26.6°C) in the day. The low rainfall levels of around 0.12" (3mm) set the stage for typically dry and arid conditions. Weather in May »Weather in June
June is characterized by high-temperature peaks, with Palm Desert residents bracing themselves for the summer heat. The potentially scorching conditions are mitigated by the low relative humidity of approximately 29%. June experiences maximum temperatures soaring to 90.7°F (32.6°C), marking its transition into one of the hottest months of the year. Weather in June »Weather in July
July is typically the hottest month in Palm Desert, California, USA, commanding attention with maximum temperature spikes of around 94.5°F (34.7°C). Despite the rise in temperature, the climatic conditions remain relatively dry due to the persistent low humidity levels of 29%. Weather in July »Weather in August
The sweltering heat persists through August in Palm Desert, however, a slight decrease in daytime peak temperatures to around 93.9°F (34.4°C) is observable. The environmental conditions remain parched inspite of negligible changes in humidity levels. Weather in August »Weather in September
September in Palm Desert exhibits a steady decline in temperature as summer slowly phases into autumn. The scorching summer heat somewhat relents, with maximum day temperatures averaging at 87.1°F (30.6°C). The gradual decline in the duration of daylight hours begins to set in, signaling the approaching end of summer. Weather in September »Weather in October
October in Palm Desert brings a widespread drop in temperatures, signalling the onset of cooler conditions. The cool yet comfortable weather frames an ideal context for partaking in outdoor events and activities. Rainfall and wind speed significantly reduce, offering a gentler and more pleasant climate. Weather in October »Weather in November
November emerges with noticeable transformations in the weather conditions in Palm Desert, California, USA. The transition into winter brings with it a substantial drop in temperature. The temperatures reduce further, with daily highs reaching around 67.6°F (19.8°C). Weather in November »Weather in December
The arrival of December in Palm Desert brings the chilly winter setting, characterized by significantly diminished temperatures. Compared to November, there’s an observable dip in conditions with the highest temperature typically settling around 58.1°F (14.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Palm Desert, CA
The warmest month (with the highest average high temperature) is July (94.5°F).
The month with the lowest average high temperature is December (58.1°F).
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is December (43.5°F).
Average pressure
Palm Desert, CA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
29.98"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.85"Hg - Average pressure in June:
29.8"Hg
- Average pressure in July:
29.84"Hg - Average pressure in August:
29.83"Hg - Average pressure in September:
29.84"Hg - Average pressure in October:
29.91"Hg - Average pressure in November:
30.01"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).
Average wind speed
Palm Desert, CA
- Average wind speed in January:
5.8mph - Average wind speed in February:
6.5mph - Average wind speed in March:
7.6mph - Average wind speed in April:
8.5mph - Average wind speed in May:
8.6mph - Average wind speed in June:
8.2mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
6.5mph - Average wind speed in September:
6.5mph - Average wind speed in October:
6.7mph - Average wind speed in November:
6.2mph - Average wind speed in December:
6mph
The windiest month (with the highest average wind speed) is May (8.6mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).
Average humidity
Palm Desert, CA
The month with the highest relative humidity is December (47%).
The months with the lowest relative humidity are June, July and August (29%).
Average rainfall
Palm Desert, CA
- Average rainfall in January:
0.59" - Average rainfall in February:
0.51" - Average rainfall in March:
0.28" - Average rainfall in April:
0.35" - Average rainfall in May:
0.12" - Average rainfall in June:
0.16"
- Average rainfall in July:
1.34" - Average rainfall in August:
0.94" - Average rainfall in September:
0.55" - Average rainfall in October:
0.24" - Average rainfall in November:
0.28" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is May (0.12").
Average rainfall days
Palm Desert, CA
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
4.1 days - Average rainfall days in March:
3.9 days - Average rainfall days in April:
3.8 days - Average rainfall days in May:
2.3 days - Average rainfall days in June:
1.8 days
- Average rainfall days in July:
8.8 days - Average rainfall days in August:
7 days - Average rainfall days in September:
6 days - Average rainfall days in October:
2.5 days - Average rainfall days in November:
2.6 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is July (8.8 days).
The month with the least rainy days is June (1.8 days).
Average daylight / Average sunshine
Palm Desert, CA
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
7h and 12min - Average sunshine in February:
7h and 18min - Average sunshine in March:
9h and 6min - Average sunshine in April:
11h and 36min - Average sunshine in May:
12h and 0min - Average sunshine in June:
12h and 12min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 30min - Average sunshine in October:
9h and 30min - Average sunshine in November:
7h and 30min - Average sunshine in December:
7h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days
Palm Desert, CA
- Average sunshine days in January:
25.8 days - Average sunshine days in February:
23.6 days - Average sunshine days in March:
26.8 days - Average sunshine days in April:
26.1 days - Average sunshine days in May:
27.3 days - Average sunshine days in June:
26.8 days
- Average sunshine days in July:
18.3 days - Average sunshine days in August:
20.1 days - Average sunshine days in September:
22.3 days - Average sunshine days in October:
27.5 days - Average sunshine days in November:
27.3 days - Average sunshine days in December:
24.9 days
The month with the most sunshine days is October (27.5 days).
The month with the least sunshine days is July (18.3 days).
Average UV index
Palm Desert, CA
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Palm Desert, CA
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility
Palm Desert, CA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





