Mission weather in May

In May, Mission sees average daytime highs of 16°C and overnight lows near 7°C, with 121 mm of precipitation across 13.7 wet days and about 15 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 17°C by the end. The sky is clear or mostly clear about 17% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of May to 15 h 42 min by month's end. Set against the rest of the year, May is Mission's 5th-clearest and 8th-windiest month. For the whole year in context, see Mission's year-round climate.

Daytime high
16°
5th warmest
Overnight low
8th coldest
Precipitation
121 mm
13.7 wet days
Daylight
15 h 06 min
4:33 AM – 7:38 PM
Cloud cover
70%
5th clearest
Wind
5 km/h
8th windiest
Solar energy
5.24 kWh/m²
Travel score
4.6
out of 10

Mission is city in British Columbia, Canada.

Air quality
Good
PM2.5 6 µg/m³ · 2019
Density
182/km²
people per km²
Founded
1868

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 17°C by the end.

A typical May day in Mission reaches about 16°C in the afternoon and slips back to 7°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 23°C. Set against its neighbours, May runs about 4°C warmer than April and about 2°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1145
2145
3155
4155
5156
6156
7156
8156
9166
10166
11166
12167
13167
14167
15167
16177
17177
18177
19177
20178
21178
22178
23178
24178
25178
26178
27178
28178
29178
30178
31179

How May really feels in Mission

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

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Mission weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°33819.911.88.50.0
Feb / -0°20816.39.99.80.2
Mar / 26519.81111.61.0
Apr12° / 17717.14.413.42.5
May16° / 12113.70.6154.6
Jun18° / 10°9612.8015.95.4
Jul22° / 12°568.2015.67.1
Aug22° / 12°757.9014.27.2
Sep19° / 10°12910.9012.45.9
Oct13° / 26317.40.410.52.8
Nov / 37120.68.18.90.6
Dec / -0°3192013.78.10.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% 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 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23268
33268
43268
53367
63367
73367
83367
93367
103367
113367
123367
133367
143367
153268
163268
173169
183169
193169
203070
212971
222971
233070
243070
253070
262971
272971
283070
293070
303070
313070

Chance of precipitation in May

Any precipitationSnow

Mission gets around 121 mm of rain and snow over 13.7 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 45% and peaks near 51% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1516
2515
3505
4495
5484
6474
7464
8453
9443
10443
11432
12432
13432
14421
15421
16431
17431
18431
19430
20430
21430
22440
23440
24440
25440
26440
27440
28440
29440
30440
31440

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.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
24991
25991
26991
27991
28991
29991
30991
31991

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 18 min at the start of May to 15 h 42 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 4:57 AM to 4:17 AM, and sunset from 7:16 PM to 7:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:577:16
214.44:557:17
314.44:537:19
414.54:527:20
514.54:507:22
614.64:487:23
714.64:477:25
814.74:457:26
914.74:437:28
1014.84:427:29
1114.84:407:31
1214.94:397:32
1314.94:377:34
1415.04:367:35
1515.04:357:36
1615.14:337:38
1715.14:327:39
1815.24:317:40
1915.24:297:42
2015.24:287:43
2115.34:277:44
2215.34:267:46
2315.44:257:47
2415.44:247:48
2515.44:227:49
2615.54:217:51
2715.54:217:52
2815.64:207:53
2915.64:197:54
3015.64:187:55
3115.74:177:56

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.24 kWh/m².

For context, solar energy here swings from a low near 0.76 kWh/m² to a high of 5.98 kWh/m² in July across the year — May's 5.24 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.2Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Hazard calendar for Mission

In seasonPeak

None of Mission's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Mission's rainy season runs October–April, 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 Mission?

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

4.6
Sightseeing
5th-best month of the year
0.8
Beach & pool
5th-best month of the year

May is a reasonable time to visit Mission for sightseeing.

What to pack for Mission in May

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

In May, Mission sees daytime highs around 16°C and nights near 7°C. Worth packing: a warm layer, rain gear and sun protection. About 14 days see rain.

a warm layerrain gearsun protection

Sea temperature near Mission in May

The nearest coast averages about 12°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 51 km away) is warmest in August at about 16°C and coldest in January near 7°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan7Bracing
Feb7Bracing
Mar8Bracing
Apr9Bracing
May12Bracing
Jun14Bracing
Jul15Cool
Aug16Cool
Sep14Bracing
Oct11Bracing
Nov9Bracing
Dec8Bracing

UV index in Mission 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 Mission peaks around July 17 at about 8 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 17UV 8Dec 17UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr4Moderate
May6High
Jun6High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Mission?

Mission sits at 49.1°N, 122.3°W, 8 m above sea level, in Canada. The nearest listed city is Townline, 9.0 km away.

Topography around Mission

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

Within 3 km, the terrain around Mission has only modest variations in elevation — a maximum elevation change of 233 m around an average of 47 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,227 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,279 m.

The land around Mission is covered by trees (35%), grassland (24%) and artificial surfaces (20%) within 3 km, trees (55%) and grassland (27%) within 16 km, and trees (62%) within 80 km.

3 km
233 m
16 km
1,227 m
80 km
3,279 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewater
May weather nearby: Townline 9.0 km · Abbotsford 9.0 km · Haney 24 km · Maple Ridge 24 km · Vedder Crossing 25 km · Walnut Grove 25 km · Chilliwack-Downtown 25 km · Chilliwack 26 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 Mission (49.133°, -122.3026°, elevation 8 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).