Last updated: May 6, 2024
Under the Köppen–Geiger climate classification San Francisco la Union features a subtropical climate (Cwb).Temperatures typically range between 13 °C (56 °F) and 17 °C (62 °F) through the year, but rarely can drop to 4 °C (40 °F) or can rise to as high as 26 °C (80 °F).The average annual precipitation amounts to about 1964 mm (77.3 inches) and receives 238 rainy days on the 1 mm (0.04 inches) threshold annually.San Francisco la Union enjoys an average of 3504 hours of sunshine throughout the year, and daylight varies from 11 hours 14 minutes to 12 hours 59 minutes per day.
The warmest months in San Francisco la Union are April, May and June, with daily mean temperatures ranging from 16 to 17 °C (61 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 13 to 14 °C (56 - 58 °F) throughout the day. On average each year, San Francisco la Union experiences 9 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 24°C (75°F) | 26°C (78°F) | 26°C (79°F) | 26°C (80°F) | 26°C (80°F) | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 23°C (74°F) | 24°C (76°F) | 23°C (73°F) | 23°C (74°F) |
Mean maximum | 23°C (73°F) | 24°C (75°F) | 25°C (77°F) | 26°C (78°F) | 25°C (78°F) | 23°C (73°F) | 23°C (74°F) | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) | 22°C (72°F) | 22°C (73°F) |
Average high | 20°C (68°F) | 21°C (71°F) | 22°C (73°F) | 23°C (74°F) | 23°C (73°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (69°F) | 20°C (68°F) | 20°C (68°F) |
Daily mean | 13°C (56°F) | 14°C (58°F) | 15°C (60°F) | 16°C (62°F) | 17°C (62°F) | 16°C (61°F) | 16°C (60°F) | 16°C (60°F) | 16°C (60°F) | 16°C (60°F) | 15°C (59°F) | 14°C (57°F) |
Average low | 9°C (48°F) | 9°C (49°F) | 9°C (49°F) | 11°C (52°F) | 12°C (54°F) | 12°C (54°F) | 11°C (53°F) | 12°C (53°F) | 12°C (54°F) | 12°C (54°F) | 11°C (51°F) | 9°C (49°F) |
Mean minimum | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 8°C (46°F) | 10°C (51°F) | 11°C (52°F) | 9°C (48°F) | 9°C (49°F) | 10°C (50°F) | 10°C (50°F) | 8°C (46°F) | 6°C (43°F) |
Minimum | 4°C (40°F) | 6°C (42°F) | 5°C (40°F) | 7°C (45°F) | 9°C (48°F) | 10°C (50°F) | 8°C (47°F) | 9°C (48°F) | 9°C (48°F) | 8°C (48°F) | 7°C (45°F) | 5°C (41°F) |
Compare temperature, precipitation, sunshine, UV index in San Francisco la Union, Quetzaltenango, Guatemala with other places around the world.
San Francisco la Union usually has the most precipitation in May, June and September, with an average of 29 rainy days and 331 mm (13.0 inches) of precipitation per month.The driest months in San Francisco la Union are January, February and December. On average, 24 mm (0.9 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 24 (1.0) | 18 (0.7) | 33 (1.3) | 91 (3.6) | 290 (11.4) | 373 (14.7) | 173 (6.8) | 264 (10.4) | 330 (13.0) | 262 (10.3) | 75 (3.0) | 29 (1.2) |
Average precipitation days (≥ 1 mm) | 8 | 5 | 8 | 20 | 31 | 29 | 26 | 28 | 29 | 29 | 17 | 8 |
The sunniest months in San Francisco la Union are March, July and December, when the sun shines an average of 10 hours 10 minutes a day.Least sunny months in San Francisco la Union: January, June and October receive an average of 8 hours 30 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 250 | 284 | 322 | 310 | 297 | 260 | 311 | 306 | 281 | 272 | 294 | 312 |
Mean daily daylight hours | 11h 20m | 11h 38m | 12h 3m | 12h 28m | 12h 48m | 12h 59m | 12h 53m | 12h 35m | 12h 11m | 11h 46m | 11h 25m | 11h 14m |
San Francisco la Union experiences the highest level of ultraviolet (UV) radiation in March, April and July, when the maximum UV index can reach values of 16 - 16, which corresponds to the Extreme category of sun exposure.January, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly San Francisco la Union UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 12 | 14 | 16 | 16 | 15 | 15 | 16 | 15 | 14 | 14 | 11 | 10 |