St. John's weather in April

In April, St. John's sees average daytime highs of 5°C and overnight lows near -1°C, with 87 mm of precipitation across 12.2 wet days and about 13.3 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 3°C in the first days to 6°C by the end. The sky is clear or mostly clear about 14% 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 06 min by month's end. Set against the rest of the year, April is St. John's's 7th-clearest and 7th-windiest month. For the whole year in context, see St. John's's year-round climate.

Daytime high
8th warmest
Overnight low
-1°
5th coldest
Precipitation
87 mm
12.2 wet days
Daylight
13 h 24 min
5:20 AM – 6:42 PM
Cloud cover
77%
7th clearest
Wind
20 km/h
7th windiest
Solar energy
4.21 kWh/m²
Travel score
0.1
out of 10

St. John's is capital and largest city of the province of Newfoundland and Labrador, Canada.

Air quality
Excellent
PM2.5 5 µg/m³ · 2019
Founded
1888

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 3°C in the first days to 6°C by the end.

A typical April day in St. John's reaches about 5°C in the afternoon and slips back to -1°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 1°C and 9°C. Set against its neighbours, April runs about 4°C warmer than March and about 4°C cooler than May.

-10°-5°10°15°151015202530
Avg high (°C)Avg low (°C)
13-2
23-2
33-2
43-2
53-2
64-2
74-2
84-2
94-2
104-1
114-1
124-1
134-1
145-1
155-1
165-1
175-1
185-1
195-1
2050
2150
2260
2360
2460
2560
2660
2760
2860
2971
3071

How April really feels in St. John's

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 30 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
30
wind chill below the day's low

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

St. John's weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-0° / -6°12514.411.68.70.0
Feb-1° / -7°10312.8109.90.0
Mar / -5°10512.98.711.60.0
Apr / -1°8712.25.413.30.1
May / 7211.21.214.91.6
Jun13° / 6610.6015.73.5
Jul18° / 12°7810.5015.45.6
Aug19° / 13°8010.4014.15.9
Sep16° / 10°9310.7012.44.7
Oct11° / 10512.50.310.62.4
Nov / 11013.639.10.6
Dec / -3°12715.38.88.30.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 11% of April, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12179
22278
32278
42278
52377
62377
72476
82476
92476
102674
112674
122674
132674
142773
152773
162773
172773
182773
192674
202575
212575
222575
232674
242575
252575
262575
272575
282575
292476
302575

Chance of precipitation in April

Any precipitationSnow

St. John's gets around 87 mm of rain and snow over 12.2 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 40% and peaks near 44% on the wettest days, and about 5 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
14426
24425
34325
44324
54323
64323
74322
84221
94221
104220
114119
124118
134118
144017
154016
163916
173915
183815
193815
203814
213814
223714
233714
243713
253613
263613
273612
283511
293511
303510

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.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 20 km/h in April.

Across April, daily wind ranges from about 18 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
620breezy
720breezy
820breezy
920breezy
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2818light breeze
2918light breeze
3018light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 96 minutes over April. Sunrise moves from 5:50 AM to 4:54 AM, and sunset from 6:21 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:506:21
212.65:486:22
312.65:466:24
412.75:446:25
512.75:426:27
612.85:406:28
712.95:386:30
812.95:366:31
913.05:346:32
1013.05:326:34
1113.15:306:35
1213.25:286:37
1313.25:266:38
1413.35:246:40
1513.35:226:41
1613.45:206:42
1713.45:186:44
1813.55:166:45
1913.55:146:47
2013.65:126:48
2113.75:106:50
2213.75:086:51
2313.85:066:52
2413.85:056:54
2513.95:036:55
2613.95:016:57
2714.04:596:58
2814.04:577:00
2914.14:567:01
3014.14:547:02

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.21 kWh/m².

For context, solar energy here swings from a low near 0.93 kWh/m² to a high of 5.18 kWh/m² in July across the year — April's 4.21 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
44.0Moderate
54.0Moderate
64.0Bright
74.0Bright
84.1Bright
94.1Bright
104.1Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in April

Is April a good time to visit St. John's?

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

0.1
Sightseeing
8th-best month of the year
0.0
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in St. John's.

What to pack for St. John's in April

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

In April, St. John's sees daytime highs around 5°C and nights near -1°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 12 days see rain.

a warm layera heavy coatrain gear

Sea temperature near St. John's in April

The nearest coast averages about 1°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 14°C and coldest in March near -0°C.

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

0°5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan1Bracing
Feb0Bracing
Mar0Bracing
Apr1Bracing
May3Bracing
Jun6Bracing
Jul11Bracing
Aug14Bracing
Sep12Bracing
Oct9Bracing
Nov6Bracing
Dec3Bracing

UV index in St. John's in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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. John's peaks around June 14 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 14UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May7Very high
Jun8Very high
Jul7High
Aug6High
Sep4Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is St. John's?

St. John's sits at 47.6°N, 52.7°W, 35 m above sea level, in Canada. The nearest listed city is Mount Pearl, 8.0 km away.

Corner BrookGlace BaySydneyNew Glasgow

Topography around St. John's

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of St. John's.

Within 3 km, the terrain around St. John's has only modest variations in elevation — a maximum elevation change of 232 m around an average of 67 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 261 m; within 80 km, significant variations in elevation — a maximum elevation change of 327 m.

The land around St. John's is covered by trees (42%) and artificial surfaces (27%) within 3 km, water (46%) and trees (37%) within 16 km, and water (59%) and trees (26%) within 80 km.

3 km
232 m
16 km
261 m
80 km
327 m
treesgrasslandartificial surfacesbare terrainwater
April weather nearby: Mount Pearl 8.0 km · Paradise 14 km · Conception Bay South 23 km · Saint-Pierre 276 km · Corner Brook 417 km · Glace Bay 571 km · Sydney 590 km · New Glasgow 790 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. John's (47.5649°, -52.7093°, elevation 35 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).