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Monthly climate in Humboldt Hill, California, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Humboldt Hill features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 9 °C (48 °F) and 15 °C (59 °F) through the year, but rarely can drop to 3 °C (37 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 1131 mm (44.5 inches) and receives 96 rainy days on the 1 mm (0.04 inches) threshold annually. Humboldt Hill enjoys an average of 3198 hours of sunshine throughout the year, and daylight varies from 9 hours 16 minutes to 15 hours 2 minutes per day.

Monthly average temperatures in Humboldt Hill, California, United States §

The warmest months in Humboldt Hill are July, August and September, with daily mean temperatures ranging from 13 to 15 °C (56 - 59 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 9 to 10 °C (48 - 50 °F) throughout the day. On average each year, Humboldt Hill experiences 0 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Humboldt Hill, 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 17°C
(63°F)		 19°C
(66°F)		 17°C
(63°F)		 18°C
(65°F)		 17°C
(63°F)		 23°C
(74°F)		 19°C
(66°F)		 23°C
(74°F)		 29°C
(84°F)		 22°C
(72°F)		 19°C
(66°F)		 17°C
(63°F)
Mean maximum 15°C
(60°F)		 15°C
(60°F)		 14°C
(58°F)		 16°C
(61°F)		 16°C
(61°F)		 18°C
(64°F)		 18°C
(65°F)		 20°C
(68°F)		 24°C
(75°F)		 20°C
(69°F)		 17°C
(64°F)		 16°C
(60°F)
Average high 12°C
(53°F)		 11°C
(51°F)		 11°C
(52°F)		 12°C
(53°F)		 13°C
(55°F)		 14°C
(58°F)		 15°C
(59°F)		 16°C
(61°F)		 17°C
(63°F)		 15°C
(59°F)		 13°C
(56°F)		 12°C
(53°F)
Daily mean 10°C
(50°F)		 9°C
(48°F)		 9°C
(49°F)		 10°C
(51°F)		 11°C
(52°F)		 13°C
(55°F)		 13°C
(56°F)		 14°C
(58°F)		 15°C
(59°F)		 13°C
(55°F)		 11°C
(52°F)		 10°C
(50°F)
Average low 8°C
(47°F)		 7°C
(46°F)		 8°C
(46°F)		 9°C
(48°F)		 10°C
(50°F)		 11°C
(52°F)		 12°C
(53°F)		 13°C
(55°F)		 13°C
(55°F)		 11°C
(52°F)		 10°C
(50°F)		 8°C
(47°F)
Mean minimum 5°C
(42°F)		 4°C
(40°F)		 5°C
(41°F)		 6°C
(43°F)		 8°C
(46°F)		 9°C
(49°F)		 10°C
(51°F)		 11°C
(52°F)		 11°C
(51°F)		 9°C
(48°F)		 7°C
(44°F)		 6°C
(42°F)
Minimum 4°C
(39°F)		 3°C
(37°F)		 3°C
(38°F)		 5°C
(41°F)		 6°C
(43°F)		 9°C
(48°F)		 9°C
(49°F)		 10°C
(51°F)		 10°C
(50°F)		 8°C
(46°F)		 4°C
(40°F)		 4°C
(39°F)

Compare climate in Humboldt Hill with other places

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

Monthly average precipitation in Humboldt Hill, California, United States §

Humboldt Hill usually has the most precipitation in January, February and March, with an average of 14 rainy days and 192 mm (7.6 inches) of precipitation per month. The driest months in Humboldt Hill are June, July and August. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Humboldt Hill, 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) 211 (8.3) 200 (7.9) 164 (6.5) 101 (4.0) 60 (2.4) 23 (0.9) 7 (0.3) 7 (0.3) 27 (1.0) 53 (2.1) 117 (4.6) 161 (6.3)
Average precipitation days (≥ 1 mm) 15 14 15 10 6 4 1 0 3 5 10 13

Monthly sunshine hours in Humboldt Hill, California, United States §

The sunniest months in Humboldt Hill are June, July and August, when the sun shines an average of 12 hours 9 minutes a day. Least sunny months in Humboldt Hill: January, February and December receive an average of 5 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Humboldt Hill, 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 118 183 243 273 333 369 393 354 299 267 200 159
Mean daily daylight hours 9h 36m 10h 39m 11h 58m 13h 20m 14h 28m 15h 2m 14h 43m 13h 42m 12h 24m 11h 3m 9h 52m 9h 16m

Solar UV radiation in Humboldt Hill, California, United States §

Humboldt Hill experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Humboldt Hill UV Index data.

Average daily maximum UV levels by month for Humboldt Hill, 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) 3 4 7 8 10 11 10 10 8 6 4 2

Detailed Monthly Weather Insights for Humboldt Hill, California, United States

Discover in-depth weather details for every month in Humboldt Hill. 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 Humboldt Hill'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.