Monthly climate in Gustine, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Gustine features a cold semi-arid climate (BSk).Temperatures typically range between 10 °C (51 °F) and 29 °C (84 °F) through the year, but rarely can drop to -1 °C (30 °F) or can rise to as high as 45 °C (113 °F).The average annual precipitation amounts to about 320 mm (12.6 inches) and receives 38 rainy days on the 1 mm (0.04 inches) threshold annually.Gustine enjoys an average of 3485 hours of sunshine throughout the year, and daylight varies from 9 hours 37 minutes to 14 hours 40 minutes per day.

Monthly average temperatures in Gustine, California, United States §

The warmest months in Gustine are June, July and August, with daily mean temperatures ranging from 26 to 29 °C (79 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 12 °C (51 - 54 °F) throughout the day. On average each year, Gustine experiences 174 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gustine, 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 25°C
(77°F)
28°C
(82°F)
33°C
(91°F)
36°C
(97°F)
41°C
(107°F)
44°C
(111°F)
44°C
(112°F)
44°C
(112°F)
45°C
(113°F)
39°C
(102°F)
28°C
(83°F)
23°C
(73°F)
Mean maximum 21°C
(70°F)
24°C
(75°F)
29°C
(84°F)
34°C
(93°F)
38°C
(100°F)
41°C
(105°F)
42°C
(108°F)
42°C
(108°F)
42°C
(107°F)
34°C
(93°F)
26°C
(80°F)
20°C
(69°F)
Average high 16°C
(61°F)
19°C
(66°F)
21°C
(69°F)
26°C
(79°F)
30°C
(86°F)
35°C
(95°F)
38°C
(101°F)
37°C
(99°F)
34°C
(93°F)
28°C
(82°F)
21°C
(70°F)
16°C
(60°F)
Daily mean 11°C
(51°F)
12°C
(54°F)
14°C
(58°F)
18°C
(65°F)
22°C
(71°F)
26°C
(79°F)
29°C
(84°F)
28°C
(83°F)
25°C
(77°F)
20°C
(68°F)
14°C
(58°F)
10°C
(51°F)
Average low 6°C
(44°F)
7°C
(44°F)
8°C
(47°F)
11°C
(53°F)
14°C
(58°F)
18°C
(65°F)
20°C
(69°F)
20°C
(69°F)
17°C
(63°F)
12°C
(54°F)
8°C
(47°F)
6°C
(43°F)
Mean minimum 1°C
(34°F)
-0°C
(32°F)
2°C
(37°F)
6°C
(43°F)
10°C
(50°F)
13°C
(55°F)
17°C
(62°F)
16°C
(62°F)
11°C
(53°F)
6°C
(43°F)
3°C
(37°F)
0°C
(33°F)
Minimum -0°C
(32°F)
-1°C
(30°F)
1°C
(34°F)
4°C
(40°F)
6°C
(44°F)
11°C
(53°F)
15°C
(60°F)
16°C
(61°F)
8°C
(47°F)
2°C
(36°F)
1°C
(33°F)
-1°C
(31°F)

Compare climate in Gustine with other places

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

Monthly average precipitation in Gustine, California, United States §

Gustine usually has the most precipitation in January, March and December, with an average of 7 rainy days and 67 mm (2.6 inches) of precipitation per month.The driest months in Gustine are July, August and September. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gustine, 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) 80 (3.2) 55 (2.2) 55 (2.2) 19 (0.8) 12 (0.5) 2 (0.1) 0 (0.0) 0 (0.0) 0 (0.0) 11 (0.4) 19 (0.8) 65 (2.6)
Average precipitation days (≥ 1 mm) 7 6 9 3 2 0 0 0 0 1 3 7

Monthly sunshine hours in Gustine, California, United States §

The sunniest months in Gustine are May, June and July, when the sun shines an average of 12 hours 26 minutes a day.Least sunny months in Gustine: January, February and December receive an average of 6 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gustine, 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 159 218 259 300 366 383 394 360 317 289 232 202
Mean daily daylight hours 9h 55m 10h 49m 11h 59m 13h 10m 14h 10m 14h 40m 14h 23m 13h 30m 12h 21m 11h 10m 10h 8m 9h 37m

Solar UV radiation in Gustine, California, United States §

Gustine experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure.January, February 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 Gustine UV Index data.

Average daily maximum UV levels by month for Gustine, 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 5 8 9 11 11 11 10 9 7 5 3