Keswick weather in April

In April, Keswick sees average daytime highs of 11°C and overnight lows near 2°C, with 76 mm of precipitation across 10.8 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 8°C in the first days to 14°C by the end. The sky is clear or mostly clear about 24% 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 13 h 54 min by month's end. Set against the rest of the year, April is Keswick's 6th-clearest and 1st-windiest month. For the whole year in context, see Keswick's year-round climate.

Daytime high
11°
7th warmest
Overnight low
6th coldest
Precipitation
76 mm
10.8 wet days
Daylight
13 h 12 min
5:41 AM – 6:55 PM
Cloud cover
66%
6th clearest
Wind
14 km/h
1st windiest
Solar energy
4.88 kWh/m²
Travel score
2.7
out of 10

Keswick is human settlement in Georgina, Ontario, Canada.

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 8°C in the first days to 14°C by the end.

A typical April day in Keswick reaches about 11°C in the afternoon and slips back to 2°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 19°C. Set against its neighbours, April runs about 8°C warmer than March and about 7°C cooler than May.

-10°10°20°151015202530
Avg high (°C)Avg low (°C)
17-1
28-1
38-1
48-1
580
690
790
890
990
10101
11101
12101
13111
14111
15112
16112
17122
18122
19122
20123
21133
22133
23133
24134
25144
26144
27144
28144
29155
30155

How April really feels in Keswick

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 23 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
23
wind chill below the day's low

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

Keswick weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -11°5810.610.19.10.0
Feb-2° / -11°478.47.710.20.0
Mar / -5°569.96.111.60.1
Apr11° / 7610.82.613.22.7
May18° / 8010.8014.55.6
Jun23° / 13°8410.6015.36.7
Jul26° / 16°7810.80156.7
Aug25° / 15°759.6013.87.0
Sep21° / 11°729.6012.36.5
Oct13° / 7611.70.410.83.6
Nov / -1°6810.73.99.40.6
Dec / -6°5710.78.68.70.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23466
33466
43466
53466
63466
73565
83565
93565
103664
113664
123664
133763
143763
153763
163763
173763
183862
193763
203763
213763
223763
233763
243763
253862
263862
273862
283961
293961
304060

Chance of precipitation in April

Any precipitationSnow

Keswick gets around 76 mm of rain and snow over 10.8 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 36% and peaks near 37% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
13615
23615
33715
43715
53715
63714
73714
83713
93613
103612
113511
123510
13359
14358
15347
16357
17356
18355
19355
20355
21354
22364
23364
24363
25363
26363
27362
28362
29362
30362

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

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30982

Wind in April

Winds average 14 km/h in April, the windiest month of the year.

Across April, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
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
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over April. Sunrise moves from 6:09 AM to 5:18 AM, and sunset from 6:36 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:096:36
212.56:076:37
312.66:056:39
412.66:036:40
512.76:016:41
612.75:596:42
712.85:586:44
812.85:566:45
912.95:546:46
1012.95:526:47
1113.05:506:49
1213.05:486:50
1313.15:476:51
1413.15:456:52
1513.25:436:54
1613.25:416:55
1713.35:406:56
1813.35:386:57
1913.45:366:59
2013.45:347:00
2113.55:337:01
2213.55:317:02
2313.65:297:04
2413.65:287:05
2513.75:267:06
2613.75:247:07
2713.85:237:09
2813.85:217:10
2913.95:207:11
3013.95:187:12

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.88 kWh/m².

For context, solar energy here swings from a low near 1.28 kWh/m² to a high of 6.25 kWh/m² in June across the year — April's 4.88 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.8Bright
154.9Bright
164.9Bright
174.9Bright
185.0Bright
195.0Bright
205.0Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.3Bright
275.3Bright
285.3Bright
295.4Bright
305.4Bright
Planning a trip in April

Is April a good time to visit Keswick?

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

2.7
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 Keswick.

What to pack for Keswick in April

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

In April, Keswick sees daytime highs around 11°C and nights near 2°C. Pack a warm layer. Worth having: rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Keswick in April

The nearest coast averages about 4°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 63 km away) is warmest in August at about 21°C and coldest in March near 3°C.

It's comfortable for a long swim from Jul 27 to Sep 2 — about 1.2 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr4Bracing
May7Bracing
Jun14Bracing
Jul19Cool
Aug21Refreshing
Sep19Cool
Oct13Bracing
Nov8Bracing
Dec5Bracing

UV index in Keswick 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 Keswick peaks around June 21 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highHighModerateLowJun 21UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug6High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Keswick in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Keswick is worst in May — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 2019 µg/m³Nov 239 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar16Moderate
Apr17Moderate
May19Moderate
Jun18Moderate
Jul18Moderate
Aug16Moderate
Sep14Moderate
Oct10Good
Nov9Good
Dec9Good
Location & terrain

Where is Keswick?

Keswick sits at 44.3°N, 79.5°W, 230 m above sea level, in Canada. The nearest listed city is Innisfil, 16 km away.

Topography around Keswick

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

Within 3 km, the terrain around Keswick has only modest variations in elevation — a maximum elevation change of 59 m around an average of 234 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 126 m; within 80 km, significant variations in elevation — a maximum elevation change of 532 m.

The land around Keswick is covered by cropland (29%), trees (25%) and water (24%) within 3 km, trees (34%), cropland (27%) and water (22%) within 16 km, and trees (41%) and cropland (23%) within 80 km.

3 km
59 m
16 km
126 m
80 km
532 m
treesgrasslandcroplandartificial surfaceswaterwetland
April weather nearby: Innisfil 16 km · East Gwillimbury 17 km · Newmarket 22 km · Barrie 23 km · Aurora 28 km · Whitchurch-Stouffville 30 km · Uxbridge 33 km · Alliston 34 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 Keswick (44.2501°, -79.4663°, elevation 230 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. 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).