Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Jacumba Hot Springs features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 10 °C (51 °F) and 27 °C (80 °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 260 mm (10.2 inches) and receives 41 rainy days on the 1 mm (0.04 inches) threshold annually. Jacumba Hot Springs enjoys an average of 3688 hours of sunshine throughout the year, and daylight varies from 10 hours 1 minutes to 14 hours 14 minutes per day.
The warmest months in Jacumba Hot Springs are July, August and September, with daily mean temperatures ranging from 24 to 27 °C (75 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 10 °C (51 - 51 °F) throughout the day. On average each year, Jacumba Hot Springs experiences 149 days above 25 °C (77.0 °F) and 3 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 24°C (76°F) |
25°C (78°F) |
29°C (85°F) |
33°C (92°F) |
35°C (96°F) |
40°C (103°F) |
39°C (102°F) |
39°C (103°F) |
42°C (108°F) |
36°C (97°F) |
30°C (87°F) |
25°C (77°F) |
| Mean maximum | 23°C (74°F) |
23°C (74°F) |
26°C (79°F) |
31°C (88°F) |
32°C (91°F) |
35°C (96°F) |
38°C (100°F) |
38°C (101°F) |
38°C (100°F) |
32°C (89°F) |
28°C (82°F) |
24°C (75°F) |
| Average high | 16°C (61°F) |
16°C (62°F) |
18°C (65°F) |
23°C (73°F) |
25°C (77°F) |
31°C (88°F) |
33°C (92°F) |
34°C (93°F) |
31°C (88°F) |
26°C (78°F) |
21°C (71°F) |
16°C (61°F) |
| Daily mean | 10°C (51°F) |
10°C (51°F) |
12°C (53°F) |
16°C (60°F) |
18°C (64°F) |
23°C (74°F) |
26°C (80°F) |
27°C (80°F) |
24°C (75°F) |
19°C (66°F) |
15°C (59°F) |
10°C (51°F) |
| Average low | 6°C (43°F) |
5°C (42°F) |
6°C (44°F) |
9°C (49°F) |
11°C (52°F) |
16°C (62°F) |
20°C (69°F) |
21°C (69°F) |
18°C (65°F) |
13°C (55°F) |
10°C (50°F) |
6°C (43°F) |
| Mean minimum | -0°C (32°F) |
-0°C (31°F) |
1°C (33°F) |
4°C (39°F) |
4°C (40°F) |
10°C (51°F) |
15°C (59°F) |
16°C (62°F) |
12°C (54°F) |
7°C (44°F) |
5°C (41°F) |
1°C (35°F) |
| Minimum | -4°C (25°F) |
-3°C (27°F) |
-1°C (30°F) |
3°C (37°F) |
3°C (38°F) |
8°C (46°F) |
11°C (52°F) |
16°C (60°F) |
8°C (46°F) |
4°C (39°F) |
2°C (35°F) |
-1°C (30°F) |
Compare temperature, precipitation, sunshine, UV index in Jacumba Hot Springs, California, United States with other places around the world.
Jacumba Hot Springs usually has the most precipitation in February, March and December, with an average of 5 rainy days and 39 mm (1.5 inches) of precipitation per month. The driest months in Jacumba Hot Springs are April, June and October. On average, 8 mm (0.3 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 36 (1.4) | 43 (1.7) | 37 (1.5) | 12 (0.5) | 13 (0.5) | 2 (0.1) | 22 (0.9) | 18 (0.7) | 13 (0.5) | 10 (0.4) | 18 (0.7) | 37 (1.5) |
| Average precipitation days (≥ 1 mm) | 5 | 5 | 6 | 2 | 2 | 0 | 5 | 5 | 3 | 1 | 2 | 5 |
The sunniest months in Jacumba Hot Springs are May, June and July, when the sun shines an average of 12 hours 13 minutes a day. Least sunny months in Jacumba Hot Springs: January, February and December receive an average of 7 hours 27 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 197 | 246 | 301 | 331 | 372 | 374 | 378 | 361 | 323 | 304 | 261 | 236 |
| Mean daily daylight hours | 10h 16m | 11h 1m | 12h 0m | 13h 0m | 13h 50m | 14h 14m | 14h 1m | 13h 16m | 12h 19m | 11h 19m | 10h 27m | 10h 1m |
Jacumba Hot Springs experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 12 - 12, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Jacumba Hot Springs UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 5 | 7 | 9 | 11 | 12 | 12 | 12 | 12 | 11 | 8 | 6 | 4 |
Discover in-depth weather details for every month in Jacumba Hot Springs. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Jacumba Hot Springs's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.
Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.