Okotoks weather in May

In May, Okotoks sees average daytime highs of 16°C and overnight lows near 3°C, with 75 mm of precipitation across 11.3 wet days and about 15.2 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 18°C by the end. The sky is clear or mostly clear about 18% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of May to 15 h 54 min by month's end. Set against the rest of the year, May is Okotoks's 11th-clearest and 6th-windiest month. For the whole year in context, see Okotoks's year-round climate.

Daytime high: 16°; 5th warmest
Overnight low: 3°; 8th coldest
Precipitation: 75 mm; 11.3 wet days
Daylight: 15 h 18 min; 4:54 AM – 8:10 PM
Cloud cover: 67%; 11th clearest
Wind: 10 km/h; 6th windiest
Solar energy: 6.05 kWh/m²
Travel score: 4.8; out of 10

Okotoks is town in the Province of Alberta, Canada.

Density: 1,539/km²; people per km²
Founded: 1899

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

← April Okotoks year-round climate June →Best places to visit in May

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 14°C in the first days to 18°C by the end.

A typical May day in Okotoks reaches about 16°C in the afternoon and slips back to 3°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 24°C. Set against its neighbours, May runs about 5°C warmer than April and about 3°C cooler than June.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	14	14	14	14	14	15	15	15	15	15	16	16	16	16	16	16	16	17	17	17	17	17	17	17	17	18	18	18	18	18	18
Avg low (°C)	1	1	1	1	1	1	1	2	2	2	2	2	3	3	3	3	3	3	4	4	4	4	4	5	5	5	5	5	5	5	6

	Avg high (°C)	Avg low (°C)
1	14	1
2	14	1
3	14	1
4	14	1
5	14	1
6	15	1
7	15	1
8	15	2
9	15	2
10	15	2
11	16	2
12	16	2
13	16	3
14	16	3
15	16	3
16	16	3
17	16	3
18	17	3
19	17	4
20	17	4
21	17	4
22	17	4
23	17	4
24	17	5
25	17	5
26	18	5
27	18	5
28	18	5
29	18	5
30	18	5
31	18	6

How May really feels in Okotoks

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 14 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Okotoks weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-2° / -12°	11	3.4	4.3	8.2	0.0
Feb	0° / -11°	12	3.5	4.3	9.7	0.0
Mar	4° / -7°	21	5.5	5.6	11.5	0.3
Apr	11° / -2°	40	8.6	5.2	13.5	2.6
May	16° / 3°	75	11.3	2.3	15.2	4.8
Jun	19° / 7°	107	13.9	0.1	16.2	5.5
Jul	23° / 9°	58	10.4	0	15.8	6.9
Aug	23° / 8°	60	9.5	0	14.3	7.0
Sep	18° / 4°	45	8	0.8	12.4	6.0
Oct	11° / -1°	26	6.1	3.1	10.4	2.8
Nov	3° / -7°	19	4.8	4.9	8.7	0.0
Dec	-2° / -11°	13	3.5	4.2	7.8	0.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 64%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	33	34	34	36	36	36	37	36	36	36	36	35	34	34	35	35	34	34	34	34	34	35	35	35	36	37	37	38	39	39	38
Cloudier (%)	67	66	66	64	64	64	63	64	64	64	64	65	66	66	65	65	66	66	66	66	66	65	65	65	64	63	63	62	61	61	62

	Clearer (%)	Cloudier (%)
1	33	67
2	34	66
3	34	66
4	36	64
5	36	64
6	36	64
7	37	63
8	36	64
9	36	64
10	36	64
11	36	64
12	35	65
13	34	66
14	34	66
15	35	65
16	35	65
17	34	66
18	34	66
19	34	66
20	34	66
21	34	66
22	35	65
23	35	65
24	35	65
25	36	64
26	37	63
27	37	63
28	38	62
29	39	61
30	39	61
31	38	62

Chance of precipitation in May

Any precipitationSnow

Okotoks gets around 75 mm of rain and snow over 11.3 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 37% and peaks near 42% on the wettest days, and about 2 days bring snow. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	32	32	32	32	32	32	32	32	33	33	34	34	35	35	36	36	37	38	38	39	40	41	41	41	42	42	42	42	42	42	42
Snow chance (%)	14	14	14	13	13	12	12	11	10	10	9	8	8	7	6	6	6	5	5	5	4	4	4	4	4	3	3	3	2	2	2

	Rain chance (%)	Snow chance (%)
1	32	14
2	32	14
3	32	14
4	32	13
5	32	13
6	32	12
7	32	12
8	32	11
9	33	10
10	33	10
11	34	9
12	34	8
13	35	8
14	35	7
15	36	6
16	36	6
17	37	6
18	38	5
19	38	5
20	39	5
21	40	4
22	41	4
23	41	4
24	41	4
25	42	4
26	42	3
27	42	3
28	42	3
29	42	2
30	42	2
31	42	2

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	10	calm
2	10	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	10	calm
9	10	calm
10	10	calm
11	10	calm
12	10	calm
13	10	calm
14	10	calm
15	10	calm
16	10	calm
17	10	calm
18	10	calm
19	10	calm
20	10	calm
21	10	calm
22	10	calm
23	10	calm
24	10	calm
25	10	calm
26	10	calm
27	10	calm
28	10	calm
29	10	calm
30	10	calm
31	10	calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 30 min at the start of May to 15 h 54 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 5:19 AM to 4:37 AM, and sunset from 7:47 PM to 8:30 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	14.5	14.5	14.6	14.6	14.7	14.7	14.8	14.9	14.9	15.0	15.0	15.1	15.1	15.2	15.2	15.3	15.3	15.4	15.4	15.5	15.5	15.5	15.6	15.6	15.7	15.7	15.7	15.8	15.8	15.9	15.9
Sunrise (AM)	5:19	5:17	5:16	5:14	5:12	5:10	5:09	5:07	5:05	5:03	5:02	5:00	4:59	4:57	4:56	4:54	4:53	4:51	4:50	4:49	4:47	4:46	4:45	4:44	4:43	4:42	4:41	4:40	4:39	4:38	4:37
Sunset (PM)	7:47	7:49	7:50	7:52	7:53	7:55	7:56	7:58	8:00	8:01	8:03	8:04	8:06	8:07	8:09	8:10	8:12	8:13	8:14	8:16	8:17	8:19	8:20	8:21	8:23	8:24	8:25	8:26	8:28	8:29	8:30

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	14.5	5:19	7:47
2	14.5	5:17	7:49
3	14.6	5:16	7:50
4	14.6	5:14	7:52
5	14.7	5:12	7:53
6	14.7	5:10	7:55
7	14.8	5:09	7:56
8	14.9	5:07	7:58
9	14.9	5:05	8:00
10	15.0	5:03	8:01
11	15.0	5:02	8:03
12	15.1	5:00	8:04
13	15.1	4:59	8:06
14	15.2	4:57	8:07
15	15.2	4:56	8:09
16	15.3	4:54	8:10
17	15.3	4:53	8:12
18	15.4	4:51	8:13
19	15.4	4:50	8:14
20	15.5	4:49	8:16
21	15.5	4:47	8:17
22	15.5	4:46	8:19
23	15.6	4:45	8:20
24	15.6	4:44	8:21
25	15.7	4:43	8:23
26	15.7	4:42	8:24
27	15.7	4:41	8:25
28	15.8	4:40	8:26
29	15.8	4:39	8:28
30	15.9	4:38	8:29
31	15.9	4:37	8:30

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.05 kWh/m².

For context, solar energy here swings from a low near 1.09 kWh/m² to a high of 6.59 kWh/m² in July across the year — May's 6.05 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	5.8	5.8	5.8	5.8	5.9	5.9	5.9	5.9	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.1	6.1	6.1	6.1	6.1	6.1	6.2	6.2	6.2	6.2	6.2	6.2
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	5.8	Bright
2	5.8	Bright
3	5.8	Bright
4	5.8	Bright
5	5.9	Bright
6	5.9	Bright
7	5.9	Bright
8	5.9	Bright
9	6.0	Bright
10	6.0	Bright
11	6.0	Intense
12	6.0	Intense
13	6.0	Intense
14	6.0	Intense
15	6.0	Intense
16	6.0	Intense
17	6.0	Intense
18	6.0	Intense
19	6.0	Intense
20	6.1	Intense
21	6.1	Intense
22	6.1	Intense
23	6.1	Intense
24	6.1	Intense
25	6.1	Intense
26	6.2	Intense
27	6.2	Intense
28	6.2	Intense
29	6.2	Intense
30	6.2	Intense
31	6.2	Intense

Planning a trip in May

Is May a good time to visit Okotoks?

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

4.8

Sightseeing

5th-best month of the year

0.8

Beach & pool

5th-best month of the year

May is a reasonable time to visit Okotoks for sightseeing.

What to pack for Okotoks in May

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

In May, Okotoks sees daytime highs around 16°C and nights near 3°C. Pack sun protection. Worth having: a warm layer and rain gear. About 11 days see rain.

sun protectiona warm layerrain gear

UV index in Okotoks in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Okotoks peaks around July 15 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 17 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	1	3	5	6	6	8	5	4	3	1	1
Level	Low	Low	Moderate	Moderate	High	High	Very high	Moderate	Moderate	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	1	Low
Mar	3	Moderate
Apr	5	Moderate
May	6	High
Jun	6	High
Jul	8	Very high
Aug	5	Moderate
Sep	4	Moderate
Oct	3	Moderate
Nov	1	Low
Dec	1	Low

Air quality in Okotoks 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 Okotoks is worst in August — around 21 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (January, 8 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	8	8	11	10	12	11	18	21	14	9	9	8
Level	Good	Good	Good	Good	Good	Good	Moderate	Moderate	Moderate	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	8	Good
Feb	8	Good
Mar	11	Good
Apr	10	Good
May	12	Good
Jun	11	Good
Jul	18	Moderate
Aug	21	Moderate
Sep	14	Moderate
Oct	9	Good
Nov	9	Good
Dec	8	Good

Location & terrain

Where is Okotoks?

Okotoks sits at 50.7°N, 114.0°W, 1,071 m above sea level, in Canada. The nearest listed city is Cranston, 18 km away.

Topography around Okotoks

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

Within 3 km, the terrain around Okotoks has only modest variations in elevation — a maximum elevation change of 104 m around an average of 1,087 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 392 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,347 m.

The land around Okotoks is covered by grassland (52%) and artificial surfaces (22%) within 3 km, grassland (58%) and cropland (32%) within 16 km, and grassland (37%), cropland (34%) and trees (22%) within 80 km.

3 km

104 m

grassland 52%

16 km

392 m

grassland 58%

80 km

2,347 m

grassland 37%

treesgrasslandcroplandartificial surfacesbare terrainwatermoss and lichen

← April Okotoks year-round climate June →Best places to visit in May

May weather nearby: Cranston 18 km · Auburn Bay 18 km · McKenzie Towne 21 km · Evergreen 24 km · Beltline 35 km · Chestermere 36 km · Calgary 36 km · Taradale 43 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

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 Okotoks (50.7289°, -113.9828°, elevation 1,071 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).

	Avg high (°C)	Avg low (°C)
1	14	1
2	14	1
3	14	1
4	14	1
5	14	1
6	15	1
7	15	1
8	15	2
9	15	2
10	15	2
11	16	2
12	16	2
13	16	3
14	16	3
15	16	3
16	16	3
17	16	3
18	17	3
19	17	4
20	17	4
21	17	4
22	17	4
23	17	4
24	17	5
25	17	5
26	18	5
27	18	5
28	18	5
29	18	5
30	18	5
31	18	6

	Clearer (%)	Cloudier (%)
1	33	67
2	34	66
3	34	66
4	36	64
5	36	64
6	36	64
7	37	63
8	36	64
9	36	64
10	36	64
11	36	64
12	35	65
13	34	66
14	34	66
15	35	65
16	35	65
17	34	66
18	34	66
19	34	66
20	34	66
21	34	66
22	35	65
23	35	65
24	35	65
25	36	64
26	37	63
27	37	63
28	38	62
29	39	61
30	39	61
31	38	62

	Rain chance (%)	Snow chance (%)
1	32	14
2	32	14
3	32	14
4	32	13
5	32	13
6	32	12
7	32	12
8	32	11
9	33	10
10	33	10
11	34	9
12	34	8
13	35	8
14	35	7
15	36	6
16	36	6
17	37	6
18	38	5
19	38	5
20	39	5
21	40	4
22	41	4
23	41	4
24	41	4
25	42	4
26	42	3
27	42	3
28	42	3
29	42	2
30	42	2
31	42	2

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	14	1
2	14	1
3	14	1
4	14	1
5	14	1
6	15	1
7	15	1
8	15	2
9	15	2
10	15	2
11	16	2
12	16	2
13	16	3
14	16	3
15	16	3
16	16	3
17	16	3
18	17	3
19	17	4
20	17	4
21	17	4
22	17	4
23	17	4
24	17	5
25	17	5
26	18	5
27	18	5
28	18	5
29	18	5
30	18	5
31	18	6

	Clearer (%)	Cloudier (%)
1	33	67
2	34	66
3	34	66
4	36	64
5	36	64
6	36	64
7	37	63
8	36	64
9	36	64
10	36	64
11	36	64
12	35	65
13	34	66
14	34	66
15	35	65
16	35	65
17	34	66
18	34	66
19	34	66
20	34	66
21	34	66
22	35	65
23	35	65
24	35	65
25	36	64
26	37	63
27	37	63
28	38	62
29	39	61
30	39	61
31	38	62

	Rain chance (%)	Snow chance (%)
1	32	14
2	32	14
3	32	14
4	32	13
5	32	13
6	32	12
7	32	12
8	32	11
9	33	10
10	33	10
11	34	9
12	34	8
13	35	8
14	35	7
15	36	6
16	36	6
17	37	6
18	38	5
19	38	5
20	39	5
21	40	4
22	41	4
23	41	4
24	41	4
25	42	4
26	42	3
27	42	3
28	42	3
29	42	2
30	42	2
31	42	2

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	14	1
2	14	1
3	14	1
4	14	1
5	14	1
6	15	1
7	15	1
8	15	2
9	15	2
10	15	2
11	16	2
12	16	2
13	16	3
14	16	3
15	16	3
16	16	3
17	16	3
18	17	3
19	17	4
20	17	4
21	17	4
22	17	4
23	17	4
24	17	5
25	17	5
26	18	5
27	18	5
28	18	5
29	18	5
30	18	5
31	18	6

	Clearer (%)	Cloudier (%)
1	33	67
2	34	66
3	34	66
4	36	64
5	36	64
6	36	64
7	37	63
8	36	64
9	36	64
10	36	64
11	36	64
12	35	65
13	34	66
14	34	66
15	35	65
16	35	65
17	34	66
18	34	66
19	34	66
20	34	66
21	34	66
22	35	65
23	35	65
24	35	65
25	36	64
26	37	63
27	37	63
28	38	62
29	39	61
30	39	61
31	38	62

	Rain chance (%)	Snow chance (%)
1	32	14
2	32	14
3	32	14
4	32	13
5	32	13
6	32	12
7	32	12
8	32	11
9	33	10
10	33	10
11	34	9
12	34	8
13	35	8
14	35	7
15	36	6
16	36	6
17	37	6
18	38	5
19	38	5
20	39	5
21	40	4
22	41	4
23	41	4
24	41	4
25	42	4
26	42	3
27	42	3
28	42	3
29	42	2
30	42	2
31	42	2

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100