Guelph weather in April

In April, Guelph sees average daytime highs of 12°C and overnight lows near 2°C, with 87 mm of precipitation across 11.7 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 9°C in the first days to 15°C by the end. The sky is clear or mostly clear about 22% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 54 min by month's end. Set against the rest of the year, April is Guelph's 7th-clearest and 4th-windiest month. For the whole year in context, see Guelph's year-round climate.

Daytime high
12°
7th warmest
Overnight low
6th coldest
Precipitation
87 mm
11.7 wet days
Daylight
13 h 12 min
5:45 AM – 6:57 PM
Cloud cover
67%
7th clearest
Wind
14 km/h
4th windiest
Solar energy
4.89 kWh/m²
Travel score
2.9
out of 10

Guelph is city in Ontario, Canada.

Air quality
Good
PM2.5 7 µg/m³ · 2019
Density
498/km²
people per km²
Founded
1827

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 9°C in the first days to 15°C by the end.

A typical April day in Guelph reaches about 12°C in the afternoon and slips back to 2°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 20°C. Set against its neighbours, April runs about 7°C warmer than March and about 7°C cooler than May.

-10°10°20°151015202530
Avg high (°C)Avg low (°C)
18-1
29-1
39-1
490
590
690
7100
8100
9100
10101
11111
12111
13111
14112
15122
16122
17122
18122
19132
20133
21133
22133
23133
24143
25144
26144
27144
28154
29154
30155

How April really feels in Guelph

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.

Guelph weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -10°6610.89.49.10.0
Feb-1° / -10°538.37.310.20.0
Mar / -5°629.75.611.60.3
Apr12° / 8711.72.513.22.9
May18° / 8811.6014.55.5
Jun23° / 13°9311.6015.26.5
Jul26° / 15°8510.9014.96.7
Aug25° / 15°769.9013.86.9
Sep21° / 10°779.6012.36.5
Oct13° / 78110.410.83.7
Nov / -1°7310.63.69.50.7
Dec / -6°6310.67.98.80.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23466
33367
43367
53466
63367
73367
83367
93466
103565
113565
123565
133565
143664
153763
163763
173763
183763
193763
203664
213763
223763
233763
243763
253763
263763
273763
283763
293862
303862

Chance of precipitation in April

Any precipitationSnow

Guelph gets around 87 mm of rain and snow over 11.7 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 39% and peaks near 41% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
13614
23614
33714
43714
53714
63814
73813
83813
93812
103811
113711
123710
13379
14378
15387
16386
17386
18385
19395
20394
21394
22403
23403
24413
25413
26412
27412
28412
29402
30402

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 (%)Humid (%)
110000
210000
310000
410000
59910
69910
79910
89910
99910
109910
119910
129910
139910
149910
159910
169910
179910
189910
199910
209910
219910
229910
239910
249910
259820
269820
279820
289820
299820
309721

Wind in April

Winds average 14 km/h in April.

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
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 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 90 minutes over April. Sunrise moves from 6:12 AM to 5:23 AM, and sunset from 6:39 PM to 7:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:126:39
212.56:106:40
312.56:096:41
412.66:076:43
512.66:056:44
612.76:036:45
712.86:016:46
812.85:596:48
912.95:586:49
1012.95:566:50
1113.05:546:51
1213.05:526:52
1313.05:516:54
1413.15:496:55
1513.15:476:56
1613.25:456:57
1713.25:446:58
1813.35:427:00
1913.35:407:01
2013.45:397:02
2113.45:377:03
2213.55:357:04
2313.55:347:06
2413.65:327:07
2513.65:307:08
2613.75:297:09
2713.75:277:10
2813.85:267:12
2913.85:247:13
3013.95:237:14

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.89 kWh/m².

For context, solar energy here swings from a low near 1.31 kWh/m² to a high of 6.22 kWh/m² in June across the year — April's 4.89 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.5Bright
44.5Bright
54.5Bright
64.6Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.8Bright
154.9Bright
164.9Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.1Bright
225.1Bright
235.2Bright
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 Guelph?

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

2.9
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 Guelph.

What to pack for Guelph in April

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

In April, Guelph sees daytime highs around 12°C and nights near 2°C. Pack a warm layer. Worth having: rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Guelph 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 54 km away) is warmest in August at about 21°C and coldest in February near 3°C.

It's comfortable for a long swim from Jul 22 to Sep 1 — about 1.4 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr4Bracing
May8Bracing
Jun15Cool
Jul20Cool
Aug21Refreshing
Sep19Cool
Oct13Bracing
Nov8Bracing
Dec5Bracing

UV index in Guelph 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 Guelph peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 22UV 9Jan 11UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun9Very high
Jul8Very high
Aug7High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Guelph?

Guelph sits at 43.5°N, 80.3°W, 335 m above sea level, in Canada. The nearest listed city is Hespeler, 13 km away.

Topography around Guelph

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

Within 3 km, the terrain around Guelph has only modest variations in elevation — a maximum elevation change of 73 m around an average of 331 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 143 m; within 80 km, significant variations in elevation — a maximum elevation change of 469 m.

The land around Guelph is covered by trees (42%) and artificial surfaces (42%) within 3 km, trees (38%) and cropland (38%) within 16 km, and cropland (49%) and trees (26%) within 80 km.

3 km
73 m
16 km
143 m
80 km
469 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Hespeler 13 km · Fiddlesticks 17 km · Fergus 20 km · Cambridge 21 km · Christopher-Champlain 22 km · Waterloo 23 km · Kitchener 25 km · Forest Heights 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 Guelph (43.5459°, -80.256°, elevation 335 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).