Monthly climate in Morongo Valley, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Morongo Valley features a hot-summer Mediterranean climate (Csa).Temperatures typically range between 9 °C (49 °F) and 29 °C (85 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 42 °C (108 °F).The average annual precipitation amounts to about 165 mm (6.5 inches) and receives 22 rainy days on the 1 mm (0.04 inches) threshold annually.Morongo Valley enjoys an average of 3698 hours of sunshine throughout the year, and daylight varies from 9 hours 55 minutes to 14 hours 21 minutes per day.

Monthly average temperatures in Morongo Valley, California, United States §

The warmest months in Morongo Valley are June, July and August, with daily mean temperatures ranging from 26 to 29 °C (80 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 10 °C (49 - 51 °F) throughout the day. On average each year, Morongo Valley experiences 159 days above 25 °C (77.0 °F) and 7 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Morongo Valley, California, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 24°C
(75°F)
25°C
(77°F)
30°C
(85°F)
33°C
(93°F)
38°C
(100°F)
41°C
(107°F)
42°C
(108°F)
41°C
(106°F)
42°C
(107°F)
36°C
(96°F)
28°C
(82°F)
23°C
(74°F)
Mean maximum 21°C
(71°F)
23°C
(74°F)
27°C
(80°F)
31°C
(88°F)
34°C
(94°F)
37°C
(99°F)
40°C
(105°F)
40°C
(104°F)
39°C
(102°F)
31°C
(89°F)
27°C
(80°F)
22°C
(72°F)
Average high 15°C
(60°F)
16°C
(62°F)
19°C
(66°F)
24°C
(76°F)
27°C
(81°F)
34°C
(93°F)
36°C
(97°F)
36°C
(97°F)
32°C
(90°F)
26°C
(79°F)
21°C
(70°F)
15°C
(59°F)
Daily mean 10°C
(50°F)
10°C
(51°F)
13°C
(55°F)
17°C
(64°F)
20°C
(69°F)
26°C
(80°F)
29°C
(85°F)
29°C
(85°F)
25°C
(78°F)
19°C
(66°F)
14°C
(58°F)
9°C
(49°F)
Average low 5°C
(40°F)
5°C
(41°F)
7°C
(45°F)
11°C
(52°F)
13°C
(56°F)
19°C
(66°F)
23°C
(73°F)
22°C
(72°F)
18°C
(65°F)
12°C
(53°F)
8°C
(46°F)
4°C
(40°F)
Mean minimum -1°C
(31°F)
-2°C
(30°F)
1°C
(34°F)
5°C
(41°F)
6°C
(43°F)
12°C
(54°F)
18°C
(65°F)
17°C
(63°F)
13°C
(55°F)
5°C
(42°F)
2°C
(36°F)
-1°C
(30°F)
Minimum -2°C
(29°F)
-4°C
(25°F)
-1°C
(30°F)
3°C
(38°F)
4°C
(40°F)
10°C
(51°F)
16°C
(61°F)
16°C
(61°F)
9°C
(49°F)
2°C
(36°F)
-1°C
(31°F)
-3°C
(28°F)

Compare climate in Morongo Valley with other places

Compare temperature, precipitation, sunshine, UV index in Morongo Valley, California, United States with other places around the world.

Monthly average precipitation in Morongo Valley, California, United States §

Morongo Valley usually has the most precipitation in January, February and December, with an average of 3 rainy days and 32 mm (1.2 inches) of precipitation per month.The driest months in Morongo Valley are June, August and September. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Morongo Valley, California, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 30 (1.2) 32 (1.3) 22 (0.9) 14 (0.5) 5 (0.2) 1 (0.1) 6 (0.3) 4 (0.2) 2 (0.1) 5 (0.2) 11 (0.4) 33 (1.3)
Average precipitation days (≥ 1 mm) 4 4 4 1 1 0 2 1 1 0 1 3

Monthly sunshine hours in Morongo Valley, California, United States §

The sunniest months in Morongo Valley are May, June and July, when the sun shines an average of 12 hours 19 minutes a day.Least sunny months in Morongo Valley: January, February and December receive an average of 7 hours 28 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Morongo Valley, California, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 196 251 302 330 374 378 381 361 324 302 262 233
Mean daily daylight hours 10h 10m 10h 58m 11h 59m 13h 2m 13h 55m 14h 21m 14h 7m 13h 20m 12h 19m 11h 17m 10h 22m 9h 55m

Solar UV radiation in Morongo Valley, California, United States §

Morongo Valley experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Morongo Valley UV Index data.

Average daily maximum UV levels by month for Morongo Valley, California, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 4 6 9 11 12 12 13 11 10 8 5 4