Monthly climate in Lillooet, British Columbia, Canada

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Lillooet features a subarctic climate (Dfc). Temperatures typically range between -8 °C (18 °F) and 16 °C (60 °F) through the year, but rarely can drop to -34 °C (-29 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 758 mm (29.9 inches) and receives 139 rainy days on the 1 mm (0.04 inches) threshold annually. Lillooet enjoys an average of 2828 hours of sunshine throughout the year, and daylight varies from 8 hours 1 minutes to 16 hours 23 minutes per day.

Monthly average temperatures in Lillooet, British Columbia, Canada §

The warmest months in Lillooet are June, July and August, with daily mean temperatures ranging from 12 to 16 °C (54 - 60 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -8 to -7 °C (18 - 20 °F) throughout the day. On average each year, Lillooet experiences 16 days above 25 °C (77.0 °F) and 184 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Lillooet, British Columbia, 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 4°C
(39°F)
7°C
(45°F)
15°C
(59°F)
22°C
(71°F)
25°C
(77°F)
37°C
(99°F)
34°C
(94°F)
30°C
(87°F)
27°C
(80°F)
20°C
(69°F)
10°C
(51°F)
4°C
(39°F)
Mean maximum 3°C
(38°F)
4°C
(40°F)
9°C
(49°F)
15°C
(59°F)
21°C
(70°F)
26°C
(79°F)
29°C
(85°F)
29°C
(85°F)
25°C
(77°F)
15°C
(59°F)
8°C
(47°F)
3°C
(37°F)
Average high -3°C
(27°F)
-3°C
(26°F)
3°C
(38°F)
7°C
(45°F)
14°C
(58°F)
17°C
(64°F)
22°C
(71°F)
22°C
(71°F)
15°C
(60°F)
7°C
(45°F)
2°C
(35°F)
-4°C
(25°F)
Daily mean -7°C
(20°F)
-8°C
(18°F)
-2°C
(29°F)
2°C
(36°F)
8°C
(47°F)
12°C
(54°F)
16°C
(60°F)
15°C
(60°F)
10°C
(50°F)
3°C
(37°F)
-2°C
(29°F)
-7°C
(19°F)
Average low -11°C
(13°F)
-12°C
(10°F)
-7°C
(20°F)
-2°C
(28°F)
2°C
(36°F)
6°C
(43°F)
9°C
(48°F)
9°C
(48°F)
5°C
(42°F)
-1°C
(31°F)
-5°C
(23°F)
-11°C
(13°F)
Mean minimum -24°C
(-11°F)
-24°C
(-11°F)
-18°C
(0°F)
-8°C
(17°F)
-2°C
(28°F)
1°C
(34°F)
5°C
(41°F)
4°C
(40°F)
-1°C
(31°F)
-8°C
(18°F)
-13°C
(8°F)
-22°C
(-7°F)
Minimum -34°C
(-29°F)
-30°C
(-22°F)
-25°C
(-14°F)
-14°C
(8°F)
-4°C
(25°F)
-0°C
(32°F)
3°C
(38°F)
3°C
(39°F)
-4°C
(26°F)
-14°C
(7°F)
-18°C
(0°F)
-33°C
(-27°F)

Compare climate in Lillooet with other places

Compare temperature, precipitation, sunshine, UV index in Lillooet, British Columbia, Canada with other places around the world.

Monthly average precipitation in Lillooet, British Columbia, Canada §

Lillooet usually has the most precipitation in October, November and December, with an average of 15 rainy days and 96 mm (3.8 inches) of precipitation per month. The driest months in Lillooet are May, July and August. On average, 39 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Lillooet, British Columbia, 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) 74 (2.9) 67 (2.6) 48 (1.9) 47 (1.9) 38 (1.5) 49 (1.9) 38 (1.5) 40 (1.6) 69 (2.7) 90 (3.5) 110 (4.3) 88 (3.5)
Average precipitation days (≥ 1 mm) 12 13 13 12 9 10 7 7 11 15 16 14

Monthly sunshine hours in Lillooet, British Columbia, Canada §

The sunniest months in Lillooet are May, July and August, when the sun shines an average of 11 hours 25 minutes a day. Least sunny months in Lillooet: January, November and December receive an average of 3 hours 43 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Lillooet, British Columbia, 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 97 162 236 269 340 329 380 341 243 181 129 115
Mean daily daylight hours 8h 31m 10h 3m 11h 56m 13h 52m 15h 32m 16h 23m 15h 55m 14h 24m 12h 32m 10h 38m 8h 55m 8h 1m

Solar UV radiation in Lillooet, British Columbia, Canada §

Lillooet experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very 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 2. For more detailed information, check out our hourly Lillooet UV Index data.

Average daily maximum UV levels by month for Lillooet, British Columbia, 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) 2 3 5 6 8 9 9 8 7 4 2 1

Detailed Monthly Weather Insights for Lillooet, British Columbia, Canada

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