Monthly climate in Hay River, Northwest Territories, Canada

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Hay River features a subarctic climate (Dfc). Temperatures typically range between -21 °C (-5 °F) and 17 °C (63 °F) through the year, but rarely can drop to -41 °C (-42 °F) or can rise to as high as 32 °C (91 °F). The average annual precipitation amounts to about 436 mm (17.2 inches) and receives 84 rainy days on the 1 mm (0.04 inches) threshold annually. Hay River enjoys an average of 2753 hours of sunshine throughout the year, and daylight varies from 5 hours 43 minutes to 19 hours 0 minutes per day.

Monthly average temperatures in Hay River, Northwest Territories, Canada §

The warmest months in Hay River are June, July and August, with daily mean temperatures ranging from 14 to 17 °C (57 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -21 to -18 °C (-5 - -1 °F) throughout the day. On average each year, Hay River experiences 12 days above 25 °C (77.0 °F) and 196 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hay River, Northwest Territories, Canada. 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 2°C
(36°F)
4°C
(39°F)
15°C
(60°F)
20°C
(68°F)
27°C
(80°F)
32°C
(91°F)
32°C
(89°F)
32°C
(89°F)
26°C
(79°F)
17°C
(63°F)
6°C
(43°F)
6°C
(42°F)
Mean maximum -2°C
(30°F)
-1°C
(30°F)
7°C
(44°F)
16°C
(61°F)
22°C
(71°F)
28°C
(82°F)
29°C
(85°F)
29°C
(85°F)
22°C
(71°F)
15°C
(59°F)
1°C
(35°F)
-3°C
(27°F)
Average high -17°C
(3°F)
-16°C
(3°F)
-7°C
(19°F)
2°C
(36°F)
11°C
(52°F)
18°C
(65°F)
21°C
(71°F)
20°C
(68°F)
13°C
(56°F)
4°C
(40°F)
-8°C
(18°F)
-15°C
(4°F)
Daily mean -20°C
(-3°F)
-21°C
(-5°F)
-13°C
(9°F)
-3°C
(26°F)
6°C
(43°F)
14°C
(57°F)
17°C
(63°F)
16°C
(61°F)
9°C
(49°F)
1°C
(35°F)
-11°C
(13°F)
-18°C
(-1°F)
Average low -23°C
(-9°F)
-25°C
(-12°F)
-18°C
(0°F)
-8°C
(17°F)
1°C
(34°F)
9°C
(49°F)
13°C
(56°F)
12°C
(53°F)
6°C
(42°F)
-1°C
(31°F)
-13°C
(8°F)
-21°C
(-6°F)
Mean minimum -36°C
(-32°F)
-36°C
(-32°F)
-33°C
(-27°F)
-21°C
(-6°F)
-7°C
(20°F)
3°C
(37°F)
8°C
(47°F)
7°C
(44°F)
-0°C
(32°F)
-8°C
(19°F)
-23°C
(-10°F)
-34°C
(-29°F)
Minimum -39°C
(-38°F)
-41°C
(-42°F)
-38°C
(-36°F)
-26°C
(-14°F)
-15°C
(5°F)
1°C
(34°F)
7°C
(45°F)
6°C
(43°F)
-4°C
(24°F)
-11°C
(13°F)
-27°C
(-16°F)
-37°C
(-35°F)

Compare climate in Hay River with other places

Compare temperature, precipitation, sunshine, UV index in Hay River, Northwest Territories, Canada with other places around the world.

Monthly average precipitation in Hay River, Northwest Territories, Canada §

Hay River usually has the most precipitation in June, July and August, with an average of 10 rainy days and 73 mm (2.9 inches) of precipitation per month. The driest months in Hay River are February, March and April. On average, 17 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hay River, Northwest Territories, Canada. 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) 22 (0.9) 15 (0.6) 19 (0.7) 18 (0.7) 22 (0.8) 59 (2.3) 91 (3.6) 68 (2.7) 44 (1.7) 29 (1.1) 29 (1.1) 20 (0.8)
Average precipitation days (≥ 1 mm) 4 4 5 5 4 8 11 11 10 8 9 5

Monthly sunshine hours in Hay River, Northwest Territories, Canada §

The sunniest months in Hay River are May, June and July, when the sun shines an average of 12 hours 5 minutes a day. Least sunny months in Hay River: January, November and December receive an average of 2 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hay River, Northwest Territories, Canada. 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 79 156 242 280 376 360 374 314 238 145 91 91
Mean daily daylight hours 6h 36m 9h 4m 11h 53m 14h 45m 17h 26m 19h 0m 18h 6m 15h 35m 12h 47m 9h 57m 7h 17m 5h 43m

Solar UV radiation in Hay River, Northwest Territories, Canada §

Hay River experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 6 - 6, 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 Hay River UV Index data.

Average daily maximum UV levels by month for Hay River, Northwest Territories, Canada. 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 3 4 6 6 6 6 4 2 1 1

Detailed Monthly Weather Insights for Hay River, Northwest Territories, Canada

Discover in-depth weather details for every month in Hay River. 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 Hay River'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.