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Monthly climate in Haines, Alaska, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Haines features a subarctic climate (Dsc). Temperatures typically range between -9 °C (17 °F) and 13 °C (56 °F) through the year, but rarely can drop to -30 °C (-22 °F) or can rise to as high as 28 °C (82 °F). The average annual precipitation amounts to about 2555 mm (100.6 inches) and receives 218 rainy days on the 1 mm (0.04 inches) threshold annually. Haines enjoys an average of 1870 hours of sunshine throughout the year, and daylight varies from 6 hours 13 minutes to 18 hours 25 minutes per day.

Monthly average temperatures in Haines, Alaska, United States §

The warmest months in Haines are June, July and August, with daily mean temperatures ranging from 10 to 13 °C (51 - 56 °F) throughout the day. The coldest temperatures usually occur in January, February and November, when daily mean temperatures range from -9 to -5 °C (17 - 24 °F) throughout the day. On average each year, Haines experiences 2 days above 25 °C (77.0 °F) and 169 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Haines, Alaska, 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 13°C
(56°F)		 5°C
(42°F)		 10°C
(50°F)		 12°C
(54°F)		 18°C
(65°F)		 28°C
(82°F)		 27°C
(81°F)		 27°C
(80°F)		 23°C
(73°F)		 12°C
(54°F)		 6°C
(42°F)		 7°C
(45°F)
Mean maximum 5°C
(42°F)		 2°C
(35°F)		 5°C
(41°F)		 10°C
(50°F)		 15°C
(59°F)		 23°C
(73°F)		 24°C
(75°F)		 25°C
(78°F)		 19°C
(66°F)		 10°C
(50°F)		 4°C
(40°F)		 4°C
(40°F)
Average high -5°C
(24°F)		 -6°C
(21°F)		 -2°C
(29°F)		 3°C
(38°F)		 8°C
(46°F)		 14°C
(57°F)		 16°C
(62°F)		 15°C
(60°F)		 12°C
(54°F)		 4°C
(39°F)		 -2°C
(28°F)		 -2°C
(28°F)
Daily mean -7°C
(20°F)		 -9°C
(17°F)		 -4°C
(25°F)		 1°C
(33°F)		 5°C
(41°F)		 10°C
(51°F)		 13°C
(56°F)		 13°C
(55°F)		 9°C
(49°F)		 1°C
(35°F)		 -5°C
(24°F)		 -5°C
(24°F)
Average low -10°C
(15°F)		 -11°C
(12°F)		 -7°C
(20°F)		 -2°C
(28°F)		 1°C
(35°F)		 7°C
(45°F)		 10°C
(51°F)		 10°C
(50°F)		 6°C
(43°F)		 -1°C
(30°F)		 -7°C
(19°F)		 -7°C
(19°F)
Mean minimum -24°C
(-11°F)		 -23°C
(-9°F)		 -17°C
(1°F)		 -11°C
(12°F)		 -5°C
(23°F)		 2°C
(35°F)		 7°C
(45°F)		 5°C
(41°F)		 -2°C
(29°F)		 -12°C
(10°F)		 -18°C
(0°F)		 -16°C
(3°F)
Minimum -28°C
(-19°F)		 -30°C
(-22°F)		 -24°C
(-11°F)		 -17°C
(2°F)		 -7°C
(21°F)		 -4°C
(25°F)		 6°C
(43°F)		 4°C
(40°F)		 -5°C
(24°F)		 -15°C
(5°F)		 -23°C
(-10°F)		 -22°C
(-8°F)

Compare climate in Haines with other places

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

Monthly average precipitation in Haines, Alaska, United States §

Haines usually has the most precipitation in October, November and December, with an average of 21 rainy days and 319 mm (12.6 inches) of precipitation per month. The driest months in Haines are May, June and July. On average, 134 mm (5.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Haines, Alaska, 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) 249 (9.8) 161 (6.3) 188 (7.4) 150 (5.9) 150 (5.9) 141 (5.6) 109 (4.3) 227 (8.9) 222 (8.7) 318 (12.5) 276 (10.9) 363 (14.3)
Average precipitation days (≥ 1 mm) 16 12 17 16 18 20 16 20 18 22 20 23

Monthly sunshine hours in Haines, Alaska, United States §

The sunniest months in Haines are May, June and July, when the sun shines an average of 8 hours 3 minutes a day. Least sunny months in Haines: January, November and December receive an average of 1 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Haines, Alaska, 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 43 126 175 228 247 246 247 195 169 93 58 37
Mean daily daylight hours 7h 1m 9h 16m 11h 54m 14h 35m 17h 2m 18h 25m 17h 38m 15h 21m 12h 44m 10h 5m 7h 37m 6h 13m

Solar UV radiation in Haines, Alaska, United States §

Haines experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 7 - 7, which corresponds to the High category of sun exposure. January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Haines UV Index data.

Average daily maximum UV levels by month for Haines, Alaska, 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) 1 2 4 5 7 7 7 7 5 2 1 1

Detailed Monthly Weather Insights for Haines, Alaska, United States

Discover in-depth weather details for every month in Haines. 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 Haines'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.