Average May Precipitation in British Columbia





The tables below give monthly averages for rainfall plus snowfall during May at cities and towns in British Columbia. Each place has a total for how many days of wet weather it usually gets this month and for the normal amount of precipitation.

You can jump to a separate table for each section of the province: Southwest Mainland, Gulf Islands, Vancouver Island, Central BC, Southeast BC and Northern BC.

The calculation of days only includes the days when precipitation totalled at least 0.2 millimetres (0.008 inches). The month's total precipitation is an average of weather data collected during 1981 to 2010.

Southwest BC Mainland

Average monthly precipitation in May
Days Place Inches Milli­metres
14 Abbotsford 3.9 100
16 Chilliwack 3.7 93
14 Gibsons 3.6 91
14 North Vancouver, Capilano 5.2 132
14 Powell River 3.0 77
13 Vancouver 3.0 75
15 Whistler 2.6 67

Gulf Islands

May averages for total rainfall plus snowfall
Days Place Inches Milli­metres
15 Cortes Island, Whaletown 2.9 73
11 Gabriola Island 1.9 48
13 Mayne Island, Village Bay 1.7 44
12 Saltspring Island 1.7 43

Vancouver Island

May averages for total rainfall plus snowfall
Days Place Inches Milli­metres
15 Campbell River 2.7 68
13 Courtenay - Comox 1.8 46
16 Duncan 2.2 56
18 Gold River 4.7 120
15 Nanaimo 2.1 54
15 Port Alberni 3.1 79
16 Port Hardy 3.1 79
17 Port Renfrew 6.1 155
12 Sidney 1.5 38
16 Tofino 6.0 153
11 Victoria 1.4 36

Central British Columbia

Average amount of rain and snow in May
Days Place Inches Milli­metres
19 Barkerville 3.1 78
16 Bella Coola 1.9 48
10 Kamloops 1.1 27
11 Kelowna 1.2 31
8 Lillooet 1.0 26
11 Penticton 1.5 39
11 Vernon 1.6 42
13 Williams Lake 1.5 39

Southeast BC

Precipitation totals for May
Days Place Inches Milli­metres
16 Castlegar 2.8 70
12 Cranbrook 1.8 46
12 Golden 1.4 34
14 Revelstoke 2.3 58
15 Sparwood 2.4 60

Northern British Columbia

Total precipitation during May
Days Place Inches Milli­metres
8 Atlin 0.7 18
10 Fort Nelson 1.9 49
9 Fort St John 1.5 38
13 Prince George 1.7 42
18 Prince Rupert 6.3 160
18 Sandspit, Haida Gwaii 2.6 66
12 Smithers 1.5 38
Reference

Environment Canada. Meteorological Service of Canada. Canadian Climate Normals. 1981-2010 Climate Normals & Averages.

British Columbia Precipitation
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