St. James-Assiniboia East weather in May

In May, St. James-Assiniboia East sees average daytime highs of 17°C and overnight lows near 6°C, with 80 mm of precipitation across 10.8 wet days and about 15.1 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 20°C by the end. The sky is clear or mostly clear about 28% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 24 min at the start of May to 15 h 48 min by month's end. Set against the rest of the year, May is St. James-Assiniboia East's 5th-clearest and 5th-windiest month. For the whole year in context, see St. James-Assiniboia East's year-round climate.

Daytime high
17°
5th warmest
Overnight low
8th coldest
Precipitation
80 mm
10.8 wet days
Daylight
15 h 12 min
4:50 AM – 8:00 PM
Cloud cover
62%
5th clearest
Wind
15 km/h
5th windiest
Solar energy
5.75 kWh/m²
Travel score
5.4
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 20°C by the end.

A typical May day in St. James-Assiniboia East reaches about 17°C in the afternoon and slips back to 6°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 25°C. Set against its neighbours, May runs about 8°C warmer than April and about 5°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1142
2142
3153
4153
5153
6153
7153
8164
9164
10164
11164
12164
13175
14175
15175
16175
17186
18186
19186
20186
21187
22197
23197
24197
25198
26208
27208
28208
29209
30209
31209

How May really feels in St. James-Assiniboia East

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 8 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
8
wind chill below the day's low

The story in May is cold — wind chill drags the overnight "feels like" below the raw low.

St. James-Assiniboia East weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-12° / -21°164.95.78.40.0
Feb-9° / -19°143.74.39.70.0
Mar-1° / -11°256.24.511.50.0
Apr10° / -2°366.32.713.52.2
May17° / 8010.80.615.15.4
Jun22° / 12°9912.40166.2
Jul25° / 14°8811.5015.76.8
Aug24° / 12°779.8014.37.1
Sep19° / 699.1012.46.0
Oct10° / 478.11.910.52.2
Nov-1° / -8°2865.18.80.0
Dec-9° / -16°225.76.380.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24159
34159
44159
54159
64159
74159
84060
94060
104060
114060
124159
134159
144159
154060
164060
174258
184258
194258
204258
214357
224357
234258
244357
254258
264357
274258
284357
294258
304357
314258

Chance of precipitation in May

Any precipitationSnow

St. James-Assiniboia East gets around 80 mm of rain and snow over 10.8 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 34% and peaks near 36% on the wettest days, and about 1 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1285
2295
3305
4314
5324
6324
7334
8333
9343
10343
11343
12343
13352
14352
15352
16352
17352
18352
19351
20351
21351
22351
23361
24361
25361
26360
27360
28360
29360
30360
31360

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
110000
29910
39910
49910
59910
69910
79910
89910
99910
109820
119820
129820
139820
149820
159730
169730
179730
189541
199541
209451
219451
229451
239361
249361
259271
269271
279181
289091
298992
3088102
3187112

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 24 min at the start of May to 15 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over May. Sunrise moves from 5:15 AM to 4:34 AM, and sunset from 7:38 PM to 8:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:157:38
214.45:137:39
314.55:117:41
414.65:097:42
514.65:077:44
614.75:067:45
714.75:047:47
814.85:027:48
914.85:017:50
1014.94:597:51
1114.94:587:53
1215.04:567:54
1315.04:557:56
1415.14:537:57
1515.14:527:59
1615.24:508:00
1715.24:498:01
1815.34:488:03
1915.34:468:04
2015.34:458:06
2115.44:448:07
2215.44:438:08
2315.54:418:10
2415.54:408:11
2515.54:398:12
2615.64:388:13
2715.64:378:15
2815.74:368:16
2915.74:358:17
3015.74:348:18
3115.84:348:19

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.75 kWh/m².

For context, solar energy here swings from a low near 1.05 kWh/m² to a high of 6.14 kWh/m² in July across the year — May's 5.75 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
316.0Bright
Planning a trip in May

Hazard calendar for St. James-Assiniboia East

In seasonPeak

In May, St. James-Assiniboia East sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

St. James-Assiniboia East's rainy season runs May–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit St. James-Assiniboia East?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.4
Sightseeing
5th-best month of the year
1.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit St. James-Assiniboia East for sightseeing.

What to pack for St. James-Assiniboia East in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, St. James-Assiniboia East sees daytime highs around 17°C and nights near 6°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

UV index in St. James-Assiniboia East in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in St. James-Assiniboia East peaks around June 18 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 18UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun7High
Jul6High
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in St. James-Assiniboia East in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in St. James-Assiniboia East is worst in July — around 17 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (October, 5 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 2316 µg/m³Oct 235 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar12Good
Apr12Good
May11Good
Jun11Good
Jul17Moderate
Aug16Moderate
Sep10Good
Oct5Good
Nov6Good
Dec6Good
Location & terrain

Where is St. James-Assiniboia East?

St. James-Assiniboia East sits at 49.9°N, 97.2°W, 231 m above sea level, in Canada. The nearest listed city is Winnipeg, 6.0 km away.

West FargoFargo

Topography around St. James-Assiniboia East

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of St. James-Assiniboia East.

Within 3 km, the terrain around St. James-Assiniboia East has only modest variations in elevation — a maximum elevation change of 28 m around an average of 236 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 38 m; within 80 km, only modest variations in elevation — a maximum elevation change of 122 m.

The land around St. James-Assiniboia East is covered by artificial surfaces (54%) and grassland (22%) within 3 km, cropland (41%), artificial surfaces (27%) and grassland (21%) within 16 km, and cropland (57%) within 80 km.

3 km
28 m
16 km
38 m
80 km
122 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Winnipeg 6.0 km · Fort Garry South 12 km · Steinbach 56 km · Brandon 195 km · Kenora 197 km · Grand Forks 219 km · West Fargo 336 km · Fargo 337 km

Canada travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 83% of US
price level, 2025
GDP per capita
$55,698
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
2
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 53%none 35%Muslim 5%Hindu 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for St. James-Assiniboia East (49.8899°, -97.2265°, elevation 231 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).