nomadseason

Monthly climate in Nanaimo, British Columbia, Canada

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Nanaimo features a oceanic climate (Cfb). Temperatures typically range between 3 °C (38 °F) and 19 °C (66 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 1778 mm (70.0 inches) and receives 164 rainy days on the 1 mm (0.04 inches) threshold annually. Nanaimo enjoys an average of 2608 hours of sunshine throughout the year, and daylight varies from 8 hours 15 minutes to 16 hours 8 minutes per day.

Monthly average temperatures in Nanaimo, British Columbia, Canada §

The warmest months in Nanaimo are June, July and August, with daily mean temperatures ranging from 15 to 19 °C (60 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 4 °C (38 - 40 °F) throughout the day. On average each year, Nanaimo experiences 3 days above 25 °C (77.0 °F) and 11 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Nanaimo, 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 9°C
(49°F)		 9°C
(49°F)		 15°C
(59°F)		 18°C
(65°F)		 22°C
(71°F)		 30°C
(86°F)		 27°C
(81°F)		 27°C
(81°F)		 25°C
(78°F)		 19°C
(67°F)		 12°C
(55°F)		 10°C
(50°F)
Mean maximum 9°C
(48°F)		 9°C
(48°F)		 11°C
(52°F)		 15°C
(58°F)		 19°C
(67°F)		 23°C
(73°F)		 25°C
(77°F)		 26°C
(79°F)		 22°C
(73°F)		 16°C
(61°F)		 12°C
(53°F)		 9°C
(49°F)
Average high 6°C
(42°F)		 5°C
(41°F)		 7°C
(45°F)		 10°C
(50°F)		 14°C
(58°F)		 17°C
(63°F)		 20°C
(69°F)		 21°C
(70°F)		 17°C
(63°F)		 12°C
(53°F)		 8°C
(47°F)		 6°C
(42°F)
Daily mean 4°C
(40°F)		 3°C
(38°F)		 6°C
(42°F)		 8°C
(47°F)		 12°C
(55°F)		 15°C
(60°F)		 18°C
(65°F)		 19°C
(66°F)		 15°C
(60°F)		 10°C
(50°F)		 7°C
(45°F)		 4°C
(40°F)
Average low 3°C
(38°F)		 2°C
(36°F)		 4°C
(40°F)		 7°C
(44°F)		 10°C
(51°F)		 13°C
(56°F)		 16°C
(60°F)		 17°C
(62°F)		 14°C
(57°F)		 9°C
(48°F)		 6°C
(43°F)		 3°C
(38°F)
Mean minimum -2°C
(29°F)		 -3°C
(27°F)		 1°C
(33°F)		 3°C
(38°F)		 7°C
(44°F)		 10°C
(50°F)		 13°C
(55°F)		 13°C
(57°F)		 10°C
(50°F)		 5°C
(41°F)		 2°C
(36°F)		 -1°C
(31°F)
Minimum -5°C
(23°F)		 -5°C
(23°F)		 -1°C
(30°F)		 2°C
(36°F)		 4°C
(40°F)		 8°C
(47°F)		 11°C
(53°F)		 12°C
(54°F)		 9°C
(49°F)		 3°C
(37°F)		 1°C
(33°F)		 -7°C
(20°F)

Compare climate in Nanaimo with other places

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

Monthly average precipitation in Nanaimo, British Columbia, Canada §

Nanaimo usually has the most precipitation in January, November and December, with an average of 18 rainy days and 268 mm (10.6 inches) of precipitation per month. The driest months in Nanaimo are May, July and August. On average, 48 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Nanaimo, 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) 249 (9.8) 147 (5.8) 136 (5.3) 126 (5.0) 70 (2.7) 70 (2.8) 33 (1.3) 40 (1.6) 158 (6.2) 194 (7.6) 304 (12.0) 252 (9.9)
Average precipitation days (≥ 1 mm) 17 16 15 15 11 12 6 5 13 16 18 20

Monthly sunshine hours in Nanaimo, British Columbia, Canada §

The sunniest months in Nanaimo are June, July and August, when the sun shines an average of 11 hours 22 minutes a day. Least sunny months in Nanaimo: January, November and December receive an average of 2 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Nanaimo, 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 72 132 196 227 320 329 378 339 240 173 109 88
Mean daily daylight hours 8h 43m 10h 10m 11h 56m 13h 46m 15h 20m 16h 8m 15h 41m 14h 16m 12h 31m 10h 42m 9h 6m 8h 15m

Solar UV radiation in Nanaimo, British Columbia, Canada §

Nanaimo 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 Nanaimo UV Index data.

Average daily maximum UV levels by month for Nanaimo, 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 4 6 8 9 9 8 6 4 2 1

Detailed Monthly Weather Insights for Nanaimo, British Columbia, Canada

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