Monthly climate in Conception Bay South, Newfoundland and Labrador, Canada

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Conception Bay South features a humid continental climate (Dfb). Temperatures typically range between -3 °C (26 °F) and 16 °C (62 °F) through the year, but rarely can drop to -16 °C (3 °F) or can rise to as high as 24 °C (75 °F). The average annual precipitation amounts to about 1343 mm (52.9 inches) and receives 158 rainy days on the 1 mm (0.04 inches) threshold annually. Conception Bay South enjoys an average of 2468 hours of sunshine throughout the year, and daylight varies from 8 hours 29 minutes to 15 hours 53 minutes per day.

Monthly average temperatures in Conception Bay South, Newfoundland and Labrador, Canada §

The warmest months in Conception Bay South are July, August and September, with daily mean temperatures ranging from 13 to 16 °C (56 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from -3 to -2 °C (26 - 29 °F) throughout the day. On average each year, Conception Bay South experiences 0 days above 25 °C (77.0 °F) and 122 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Conception Bay South, Newfoundland and Labrador, 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 10°C
(51°F)
9°C
(48°F)
10°C
(51°F)
12°C
(53°F)
15°C
(60°F)
19°C
(67°F)
21°C
(71°F)
24°C
(75°F)
21°C
(71°F)
20°C
(69°F)
15°C
(59°F)
13°C
(55°F)
Mean maximum 8°C
(46°F)
7°C
(45°F)
8°C
(46°F)
10°C
(50°F)
13°C
(55°F)
16°C
(62°F)
21°C
(69°F)
23°C
(73°F)
21°C
(70°F)
17°C
(62°F)
14°C
(58°F)
11°C
(52°F)
Average high 0°C
(33°F)
-0°C
(32°F)
1°C
(34°F)
4°C
(39°F)
7°C
(45°F)
12°C
(54°F)
16°C
(61°F)
19°C
(66°F)
16°C
(60°F)
11°C
(51°F)
7°C
(45°F)
3°C
(37°F)
Daily mean -2°C
(29°F)
-3°C
(26°F)
-2°C
(29°F)
2°C
(35°F)
5°C
(40°F)
9°C
(49°F)
14°C
(57°F)
16°C
(62°F)
13°C
(56°F)
9°C
(48°F)
5°C
(41°F)
1°C
(33°F)
Average low -4°C
(24°F)
-6°C
(21°F)
-4°C
(25°F)
-0°C
(32°F)
2°C
(36°F)
7°C
(45°F)
11°C
(53°F)
14°C
(58°F)
11°C
(52°F)
7°C
(45°F)
3°C
(37°F)
-1°C
(30°F)
Mean minimum -10°C
(15°F)
-13°C
(8°F)
-10°C
(14°F)
-4°C
(25°F)
-1°C
(31°F)
2°C
(36°F)
7°C
(45°F)
11°C
(52°F)
7°C
(44°F)
3°C
(37°F)
-2°C
(29°F)
-6°C
(21°F)
Minimum -13°C
(8°F)
-16°C
(3°F)
-13°C
(9°F)
-6°C
(22°F)
-2°C
(28°F)
1°C
(34°F)
7°C
(44°F)
9°C
(49°F)
6°C
(43°F)
1°C
(35°F)
-5°C
(24°F)
-10°C
(15°F)

Compare climate in Conception Bay South with other places

Compare temperature, precipitation, sunshine, UV index in Conception Bay South, Newfoundland and Labrador, Canada with other places around the world.

Monthly average precipitation in Conception Bay South, Newfoundland and Labrador, Canada §

Conception Bay South usually has the most precipitation in September, November and December, with an average of 14 rainy days and 131 mm (5.2 inches) of precipitation per month. The driest months in Conception Bay South are May, June and August. On average, 89 mm (3.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Conception Bay South, Newfoundland and Labrador, 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) 118 (4.7) 113 (4.4) 112 (4.4) 119 (4.7) 91 (3.6) 100 (3.9) 108 (4.3) 77 (3.0) 122 (4.8) 111 (4.4) 124 (4.9) 148 (5.8)
Average precipitation days (≥ 1 mm) 13 13 14 14 12 13 11 10 11 14 14 19

Monthly sunshine hours in Conception Bay South, Newfoundland and Labrador, Canada §

The sunniest months in Conception Bay South are May, July and August, when the sun shines an average of 9 hours 20 minutes a day. Least sunny months in Conception Bay South: January, February and December receive an average of 3 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Conception Bay South, Newfoundland and Labrador, 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 93 136 210 209 282 272 282 304 249 177 138 110
Mean daily daylight hours 8h 55m 10h 16m 11h 56m 13h 39m 15h 8m 15h 53m 15h 28m 14h 9m 12h 30m 10h 47m 9h 17m 8h 29m

Solar UV radiation in Conception Bay South, Newfoundland and Labrador, Canada §

Conception Bay South experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 10, 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 Conception Bay South UV Index data.

Average daily maximum UV levels by month for Conception Bay South, Newfoundland and Labrador, 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 7 8 10 9 8 7 4 2 1

Detailed Monthly Weather Insights for Conception Bay South, Newfoundland and Labrador, Canada

Discover in-depth weather details for every month in Conception Bay South. 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 Conception Bay South'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.