Regina weather in May

In May, Regina sees average daytime highs of 17°C and overnight lows near 4°C, with 62 mm of precipitation across 9.6 wet days and about 15.2 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 19°C by the end. The sky is clear or mostly clear about 25% 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 Regina's 5th-clearest and 3rd-windiest month. For the whole year in context, see Regina's year-round climate.

Daytime high
17°
5th warmest
Overnight low
8th coldest
Precipitation
62 mm
9.6 wet days
Daylight
15 h 12 min
5:18 AM – 8:32 PM
Cloud cover
63%
5th clearest
Wind
14 km/h
3rd windiest
Solar energy
6 kWh/m²
Travel score
5.4
out of 10

Regina is capital and second-largest city of the province of Saskatchewan, Canada.

Air quality
Excellent
PM2.5 4 µg/m³ · 2019
Founded
1882

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 19°C by the end.

A typical May day in Regina reaches about 17°C in the afternoon and slips back to 4°C overnight — a 13°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 7°C warmer than April and about 4°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1141
2141
3152
4152
5152
6152
7152
8163
9163
10163
11163
12163
13174
14174
15174
16174
17185
18185
19185
20185
21186
22186
23186
24196
25196
26197
27197
28197
29197
30197
31208

How May really feels in Regina

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 12 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
12
wind chill below the day's low

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

Regina 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-9° / -18°175.36.38.30.0
Feb-7° / -16°123.53.89.70.0
Mar-0° / -10°215.95.411.50.0
Apr10° / -2°357.32.913.52.2
May17° / 629.60.815.25.4
Jun21° / 10°9912.7016.16.0
Jul24° / 12°7410.5015.87.1
Aug24° / 11°618.5014.37.4
Sep18° / 406.70.212.46.3
Oct10° / -1°336.42.110.52.3
Nov-0° / -9°225.34.78.80.0
Dec-7° / -15°1755.97.90.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34258
44258
54258
64357
74456
84555
94555
104555
114555
124555
134456
144555
154456
164456
174357
184357
194357
204258
214159
224159
234060
243961
253961
263961
273961
283961
293961
304060
314060

Chance of precipitation in May

Any precipitationSnow

Regina gets around 62 mm of rain and snow over 9.6 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 31% and peaks near 37% 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 (%)
1297
2307
3296
4296
5296
6295
7285
8285
9284
10284
11284
12283
13283
14283
15293
16292
17302
18312
19312
20322
21331
22341
23341
24351
25351
26361
27361
28361
29371
30370
31370

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
14991
15991
16991
17991
18991
19991
20991
21982
22982
23982
24982
25982
26982
27982
28982
29973
30973
31973

Wind in May

Winds average 14 km/h in May.

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

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light 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 5:43 AM to 5:01 AM, and sunset from 8:09 PM to 8:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:438:09
214.55:418:10
314.55:398:12
414.65:378:13
514.75:358:15
614.75:348:17
714.85:328:18
814.85:308:20
914.95:298:21
1014.95:278:23
1115.05:258:24
1215.05:248:26
1315.15:228:27
1415.15:218:29
1515.25:198:30
1615.25:188:32
1715.35:168:33
1815.35:158:35
1915.45:148:36
2015.45:128:37
2115.55:118:39
2215.55:108:40
2315.55:098:41
2415.65:088:43
2515.65:068:44
2615.75:058:45
2715.75:048:46
2815.75:038:48
2915.85:028:49
3015.85:018:50
3115.85:018:51

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6 kWh/m².

For context, solar energy here swings from a low near 1.02 kWh/m² to a high of 6.46 kWh/m² in July across the year — May's 6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.9Bright
85.9Bright
95.9Bright
106.0Bright
116.0Bright
126.0Intense
136.0Intense
146.0Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Bright
286.0Bright
296.0Bright
306.0Bright
316.0Bright
Planning a trip in May

Is May a good time to visit Regina?

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
1.4
Beach & pool
5th-best month of the year

May is a reasonable time to visit Regina for sightseeing.

What to pack for Regina in May

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

In May, Regina sees daytime highs around 17°C and nights near 4°C. Pack sun protection. Worth having: a warm layer and rain gear. About 10 days see rain.

sun protectiona warm layerrain gear

UV index in Regina 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 Regina peaks around June 21 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 21UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5Moderate
Jun7High
Jul7High
Aug5Moderate
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Regina?

Regina sits at 50.5°N, 104.6°W, 577 m above sea level, in Canada. The nearest listed city is Dewdney East, 5.0 km away.

Topography around Regina

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Regina.

Within 3 km, the terrain around Regina has only modest variations in elevation — a maximum elevation change of 23 m around an average of 578 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 100 m; within 80 km, significant variations in elevation — a maximum elevation change of 399 m.

The land around Regina is covered by artificial surfaces (62%) within 3 km, cropland (65%) and grassland (20%) within 16 km, and cropland (72%) and grassland (24%) within 80 km.

3 km
23 m
16 km
100 m
80 km
399 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Dewdney East 5.0 km · Arcola East 6.0 km · Moose Jaw 65 km · Yorkton 173 km · Swift Current 227 km · Stonebridge 229 km · Lakewood 230 km · Nutana Sector 231 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 Regina (50.4501°, -104.6178°, elevation 577 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).