Weather in Barrie in April
Canada · 20-year averages, April
A hard month. April asks something of you. Go in knowing what. Highs sit at 9.4 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.
April ranks 7 of 12 in Barrie: past the worst of the year but short of August, which is the month to book if the dates are open.
Rain on 11 days, 1 of them heavy. Enough to need a plan B, not enough to need a plan around it. Layers, and a genuinely waterproof outer — at 9.4 °C the difference between a good day and a miserable one is entirely down to what you are wearing.
What the averages hide
Averages flatten a month, and this one hides a few things: 16 nights fall below freezing. Across the twenty years measured, the hottest April day reached 23.1 °C and the coldest night fell to -13.3 °C, and the wettest single day dropped 29 mm — roughly 55% of the month's rain in one day.
April is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest April on record still delivered 96 mm against 22 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 53 mm average is a reasonable planning figure, not a promise.
Wind is light at 6.9 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 77%, which at 9.4 °C means damp rather than muggy — the kind of cold that gets into a coat and stays there.
How April sits in the year
The month is on the way up: 7.2 °C warmer than March, and May adds another 7.2 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.
Daylight in April
13.4 hours of daylight, gaining 1.5 hours across the month. That is between Barrie's extremes of 15.5 and 8.9 hours, so days are long enough not to constrain the plan.
An inland climate
With no coast nearby, the year swings a fair way — 36.4 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.
How busy it gets
Quiet. Few other visitors, cheaper rooms, and a real chance some seasonal operators are shut.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
April in Barrie versus nearby
If Barrie is one option among several, the nearby comparison is worth making. Toronto is the weaker option in April — within a degree on temperature, 3 days more rain. Peterborough is close enough to be a coin toss — 2.2 °C warmer, 1 day more rain.
So: April is a compromise. August is 36 points better and is what Barrie is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.
Every month in Barrie
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | -3.5 | -10.1 | 11 | 44 | 91 | 9.2 | 19 |
| February | -3 | -10.4 | 10 | 41 | 89 | 10.4 | 21 |
| March | 2.2 | -6 | 11 | 49 | 83 | 11.8 | 22 |
| April | 9.4 | -0.1 | 11 | 53 | 77 | 13.4 | 47 |
| May | 16.6 | 5.9 | 11 | 58 | 75 | 14.8 | 70 |
| June | 22.3 | 11.9 | 11 | 56 | 72 | 15.5 | 81 |
| July | 26 | 16 | 11 | 52 | 68 | 15.2 | 81 |
| August | 25.5 | 16 | 10 | 50 | 69 | 14.1 | 83 |
| September | 21.9 | 12.4 | 11 | 51 | 71 | 12.6 | 81 |
| October | 13.5 | 5.9 | 14 | 63 | 78 | 11.1 | 55 |
| November | 6.5 | 0 | 12 | 54 | 83 | 9.7 | 36 |
| December | -0.2 | -5.5 | 13 | 51 | 89 | 8.9 | 20 |
See all twelve months in Barrie, or where else to go in April.
Planning the rest of the trip
- Where to eat & stay in Barrie every café, restaurant and hotel
- Flight time to Barrie how long you are actually in the air
- Barrie time zone and the difference from home
- Days until your trip count down to the departure date
- Gyms & clubs in Barrie keep training while you are there