Nanaimo weather in April

In April, Nanaimo sees average daytime highs of 10°C and overnight lows near 7°C, with 124 mm of precipitation across 15.2 wet days and about 13.4 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 9°C in the first days to 12°C by the end. The sky is clear or mostly clear about 23% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of April to 14 h 18 min by month's end. Set against the rest of the year, April is Nanaimo's 7th-clearest and 7th-windiest month. For the whole year in context, see Nanaimo's year-round climate.

Daytime high: 10°; 7th warmest
Overnight low: 7°; 6th coldest
Precipitation: 124 mm; 15.2 wet days
Daylight: 13 h 30 min; 5:32 AM – 7:00 PM
Cloud cover: 68%; 7th clearest
Wind: 11 km/h; 7th windiest
Solar energy: 4.55 kWh/m²
Travel score: 2.0; out of 10

Nanaimo is city on Vancouver Island in British Columbia, Canada.

Air quality: Good; PM2.5 6 µg/m³ · 2019
Density: 991/km²; people per km²
Founded: 1874

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

← March Nanaimo year-round climate May →Best places to visit in April

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 9°C in the first days to 12°C by the end.

A typical April day in Nanaimo reaches about 10°C in the afternoon and slips back to 7°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 13°C. Set against its neighbours, April runs about 3°C warmer than March and about 4°C cooler than May.

	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
Avg high (°C)	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	10	10	11	11	11	11	11	11	11	11	12	12	12	12
Avg low (°C)	5	5	5	6	6	6	6	6	6	6	6	6	6	6	6	7	7	7	7	7	7	7	7	7	7	8	8	8	8	8

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

How April really feels in Nanaimo

Once humidity and wind are folded in, April 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Nanaimo weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	5° / 3°	253	18.5	7.1	8.5	0.1
Feb	6° / 3°	149	14.6	5.9	9.8	0.4
Mar	7° / 4°	178	17.6	6.1	11.6	0.9
Apr	10° / 7°	124	15.2	1.5	13.4	2.0
May	14° / 10°	85	12.1	0.1	15	3.9
Jun	17° / 13°	69	10.6	0	15.9	5.2
Jul	19° / 15°	43	7.3	0	15.6	6.8
Aug	20° / 15°	54	6.3	0	14.2	7.0
Sep	17° / 13°	86	9.3	0	12.4	5.5
Oct	12° / 9°	177	15.2	0.2	10.5	2.7
Nov	8° / 5°	264	18.7	4.2	8.9	1.0
Dec	5° / 3°	247	18.5	8.3	8.1	0.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 65%. Skies tend to open up as the month goes on.

	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
Clearer (%)	32	32	32	32	33	32	32	32	32	32	31	32	33	33	33	35	35	36	36	37	38	38	40	40	40	41	41	42	42	42
Cloudier (%)	68	68	68	68	67	68	68	68	68	68	69	68	67	67	67	65	65	64	64	63	62	62	60	60	60	59	59	58	58	58

	Clearer (%)	Cloudier (%)
1	32	68
2	32	68
3	32	68
4	32	68
5	33	67
6	32	68
7	32	68
8	32	68
9	32	68
10	32	68
11	31	69
12	32	68
13	33	67
14	33	67
15	33	67
16	35	65
17	35	65
18	36	64
19	36	64
20	37	63
21	38	62
22	38	62
23	40	60
24	40	60
25	40	60
26	41	59
27	41	59
28	42	58
29	42	58
30	42	58

Chance of precipitation in April

Any precipitationSnow

Nanaimo gets around 124 mm of rain and snow over 15.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 51% and peaks near 54% on the wettest days, and about 2 days bring snow. The odds ease 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
Rain chance (%)	52	52	52	53	53	53	53	54	54	54	54	54	53	53	53	52	52	52	51	51	50	49	49	48	48	47	47	46	46	45
Snow chance (%)	11	10	10	9	9	8	8	7	7	6	6	6	5	5	4	4	4	4	3	3	3	3	2	2	2	2	2	1	1	1

	Rain chance (%)	Snow chance (%)
1	52	11
2	52	10
3	52	10
4	53	9
5	53	9
6	53	8
7	53	8
8	54	7
9	54	7
10	54	6
11	54	6
12	54	6
13	53	5
14	53	5
15	53	4
16	52	4
17	52	4
18	52	4
19	51	3
20	51	3
21	50	3
22	49	3
23	49	2
24	48	2
25	48	2
26	47	2
27	47	2
28	46	1
29	46	1
30	45	1

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April 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
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

	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

Wind in April

Winds average 11 km/h in April.

Across April, daily wind ranges from about 10 km/h on the calmest days to 12 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
Wind speed (km/h)	12	12	12	12	12	12	12	12	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	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

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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 108 minutes over April. Sunrise moves from 6:04 AM to 5:05 AM, and sunset from 6:37 PM to 7:21 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
Daylight (h)	12.5	12.6	12.7	12.7	12.8	12.9	12.9	13.0	13.0	13.1	13.2	13.2	13.3	13.3	13.4	13.5	13.5	13.6	13.6	13.7	13.8	13.8	13.9	13.9	14.0	14.0	14.1	14.2	14.2	14.3
Sunrise (AM)	6:04	6:02	6:00	5:58	5:55	5:53	5:51	5:49	5:47	5:45	5:43	5:41	5:38	5:36	5:34	5:32	5:30	5:28	5:26	5:24	5:22	5:20	5:18	5:16	5:14	5:12	5:11	5:09	5:07	5:05
Sunset (PM)	6:37	6:38	6:40	6:41	6:43	6:44	6:46	6:47	6:49	6:51	6:52	6:54	6:55	6:57	6:58	7:00	7:01	7:03	7:04	7:06	7:07	7:09	7:10	7:12	7:14	7:15	7:17	7:18	7:20	7:21

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.5	6:04	6:37
2	12.6	6:02	6:38
3	12.7	6:00	6:40
4	12.7	5:58	6:41
5	12.8	5:55	6:43
6	12.9	5:53	6:44
7	12.9	5:51	6:46
8	13.0	5:49	6:47
9	13.0	5:47	6:49
10	13.1	5:45	6:51
11	13.2	5:43	6:52
12	13.2	5:41	6:54
13	13.3	5:38	6:55
14	13.3	5:36	6:57
15	13.4	5:34	6:58
16	13.5	5:32	7:00
17	13.5	5:30	7:01
18	13.6	5:28	7:03
19	13.6	5:26	7:04
20	13.7	5:24	7:06
21	13.8	5:22	7:07
22	13.8	5:20	7:09
23	13.9	5:18	7:10
24	13.9	5:16	7:12
25	14.0	5:14	7:14
26	14.0	5:12	7:15
27	14.1	5:11	7:17
28	14.2	5:09	7:18
29	14.2	5:07	7:20
30	14.3	5:05	7:21

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.55 kWh/m².

For context, solar energy here swings from a low near 0.78 kWh/m² to a high of 6.54 kWh/m² in July across the year — April's 4.55 kWh/m² falls in the middle.

	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
Solar energy (kWh/m²)	3.9	3.9	4.0	4.0	4.0	4.1	4.1	4.2	4.2	4.3	4.3	4.3	4.4	4.5	4.5	4.6	4.6	4.7	4.7	4.8	4.8	4.9	4.9	5.0	5.0	5.1	5.2	5.2	5.3	5.3
Level	Moderate	Moderate	Moderate	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	3.9	Moderate
2	3.9	Moderate
3	4.0	Moderate
4	4.0	Bright
5	4.0	Bright
6	4.1	Bright
7	4.1	Bright
8	4.2	Bright
9	4.2	Bright
10	4.3	Bright
11	4.3	Bright
12	4.3	Bright
13	4.4	Bright
14	4.5	Bright
15	4.5	Bright
16	4.6	Bright
17	4.6	Bright
18	4.7	Bright
19	4.7	Bright
20	4.8	Bright
21	4.8	Bright
22	4.9	Bright
23	4.9	Bright
24	5.0	Bright
25	5.0	Bright
26	5.1	Bright
27	5.2	Bright
28	5.2	Bright
29	5.3	Bright
30	5.3	Bright

Planning a trip in April

Hazard calendar for Nanaimo

In seasonPeak

In April, Nanaimo sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Nanaimo'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 April a good time to visit Nanaimo?

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

2.0

Sightseeing

7th-best month of the year

0.0

Beach & pool

7th-best month of the year

April is a weaker month for outdoor sightseeing in Nanaimo.

What to pack for Nanaimo in April

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

In April, Nanaimo sees daytime highs around 10°C and nights near 7°C. Pack a warm layer and rain gear. Worth having: sun protection. About 15 days see rain.

a warm layerrain gearsun protection

Sea temperature near Nanaimo in April

The nearest coast averages about 10°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 23 km away) is warmest in August at about 17°C and coldest in January near 7°C.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	7	7	8	10	13	15	17	17	15	12	9	8
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Cool	Cool	Cool	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	7	Bracing
Feb	7	Bracing
Mar	8	Bracing
Apr	10	Bracing
May	13	Bracing
Jun	15	Cool
Jul	17	Cool
Aug	17	Cool
Sep	15	Cool
Oct	12	Bracing
Nov	9	Bracing
Dec	8	Bracing

UV index in Nanaimo in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nanaimo 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 19 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	4	4	7	6	8	6	4	3	1	1
Level	Low	Low	Moderate	Moderate	High	High	Very high	High	Moderate	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	1	Low
Mar	4	Moderate
Apr	4	Moderate
May	7	High
Jun	6	High
Jul	8	Very high
Aug	6	High
Sep	4	Moderate
Oct	3	Moderate
Nov	1	Low
Dec	1	Low

Location & terrain

Where is Nanaimo?

Nanaimo sits at 49.2°N, 123.9°W, 16 m above sea level, in Canada. The nearest listed city is Harewood, 2.0 km away.

Topography around Nanaimo

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

Within 3 km, the terrain around Nanaimo has only modest variations in elevation — a maximum elevation change of 238 m around an average of 39 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,013 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,048 m.

The land around Nanaimo is covered by trees (35%), water (33%) and artificial surfaces (23%) within 3 km, trees (49%) and water (38%) within 16 km, and trees (59%) and water (35%) within 80 km.

3 km

238 m

trees 35%

16 km

1,013 m

trees 49%

80 km

2,048 m

trees 59%

treesgrasslandartificial surfacesbare terrainwater

← March Nanaimo year-round climate May →Best places to visit in April

April weather nearby: Harewood 2.0 km · North Cowichan 41 km · Duncan 46 km · University Endowment Lands 52 km · Seafair 55 km · Dunbar-Southlands 55 km · Steveston 55 km · Arbutus Ridge 57 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 Nanaimo (49.1664°, -123.94°, elevation 16 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).

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

	Clearer (%)	Cloudier (%)
1	32	68
2	32	68
3	32	68
4	32	68
5	33	67
6	32	68
7	32	68
8	32	68
9	32	68
10	32	68
11	31	69
12	32	68
13	33	67
14	33	67
15	33	67
16	35	65
17	35	65
18	36	64
19	36	64
20	37	63
21	38	62
22	38	62
23	40	60
24	40	60
25	40	60
26	41	59
27	41	59
28	42	58
29	42	58
30	42	58

	Rain chance (%)	Snow chance (%)
1	52	11
2	52	10
3	52	10
4	53	9
5	53	9
6	53	8
7	53	8
8	54	7
9	54	7
10	54	6
11	54	6
12	54	6
13	53	5
14	53	5
15	53	4
16	52	4
17	52	4
18	52	4
19	51	3
20	51	3
21	50	3
22	49	3
23	49	2
24	48	2
25	48	2
26	47	2
27	47	2
28	46	1
29	46	1
30	45	1

	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

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

	Clearer (%)	Cloudier (%)
1	32	68
2	32	68
3	32	68
4	32	68
5	33	67
6	32	68
7	32	68
8	32	68
9	32	68
10	32	68
11	31	69
12	32	68
13	33	67
14	33	67
15	33	67
16	35	65
17	35	65
18	36	64
19	36	64
20	37	63
21	38	62
22	38	62
23	40	60
24	40	60
25	40	60
26	41	59
27	41	59
28	42	58
29	42	58
30	42	58

	Rain chance (%)	Snow chance (%)
1	52	11
2	52	10
3	52	10
4	53	9
5	53	9
6	53	8
7	53	8
8	54	7
9	54	7
10	54	6
11	54	6
12	54	6
13	53	5
14	53	5
15	53	4
16	52	4
17	52	4
18	52	4
19	51	3
20	51	3
21	50	3
22	49	3
23	49	2
24	48	2
25	48	2
26	47	2
27	47	2
28	46	1
29	46	1
30	45	1

	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

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

	Clearer (%)	Cloudier (%)
1	32	68
2	32	68
3	32	68
4	32	68
5	33	67
6	32	68
7	32	68
8	32	68
9	32	68
10	32	68
11	31	69
12	32	68
13	33	67
14	33	67
15	33	67
16	35	65
17	35	65
18	36	64
19	36	64
20	37	63
21	38	62
22	38	62
23	40	60
24	40	60
25	40	60
26	41	59
27	41	59
28	42	58
29	42	58
30	42	58

	Rain chance (%)	Snow chance (%)
1	52	11
2	52	10
3	52	10
4	53	9
5	53	9
6	53	8
7	53	8
8	54	7
9	54	7
10	54	6
11	54	6
12	54	6
13	53	5
14	53	5
15	53	4
16	52	4
17	52	4
18	52	4
19	51	3
20	51	3
21	50	3
22	49	3
23	49	2
24	48	2
25	48	2
26	47	2
27	47	2
28	46	1
29	46	1
30	45	1

	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