Stouffville weather in December
In December, Stouffville sees average daytime highs of 1°C and overnight lows near -6°C, with 62 mm of precipitation across 10.4 wet days and about 8.8 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.
Highs ease over the month, from about 3°C in the first days to -1°C by the end. The sky is clear or mostly clear about 9% of the time in December, and the air most often feels dry.
Daylight stretches from about 9 hours at the start of December to 8 h 48 min by month's end. Set against the rest of the year, December is Stouffville's 11th-clearest and 5th-windiest month. For the whole year in context, see Stouffville's year-round climate.
- Daytime high
- 1°
- 10th warmest
- Overnight low
- -6°
- 3rd coldest
- Precipitation
- 62 mm
- 10.4 wet days
- Daylight
- 8 h 42 min
- 7:51 AM – 4:35 PM
- Cloud cover
- 79%
- 11th clearest
- Wind
- 14 km/h
- 5th windiest
- Solar energy
- 1.3 kWh/m²
- Travel score
- 0.0
- out of 10
Stouffville is community in Ontario, Canada.
- Founded
- 1877
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Highs ease over the month, from about 3°C in the first days to -1°C by the end.
A typical December day in Stouffville reaches about 1°C in the afternoon and slips back to -6°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -6°C and 7°C. Set against its neighbours, December runs about 6°C cooler than November and about 3°C warmer than January.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -1 | -1 | -1 | -1 | -1 | -1 | -1 |
| Avg low (°C) | -4 | -4 | -4 | -4 | -5 | -5 | -5 | -5 | -5 | -6 | -6 | -6 | -6 | -6 | -6 | -7 | -7 | -7 | -7 | -7 | -7 | -7 | -7 | -7 | -8 | -8 | -8 | -8 | -8 | -8 | -8 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 3 | -4 |
| 2 | 3 | -4 |
| 3 | 3 | -4 |
| 4 | 2 | -4 |
| 5 | 2 | -5 |
| 6 | 2 | -5 |
| 7 | 2 | -5 |
| 8 | 2 | -5 |
| 9 | 1 | -5 |
| 10 | 1 | -6 |
| 11 | 1 | -6 |
| 12 | 1 | -6 |
| 13 | 1 | -6 |
| 14 | 1 | -6 |
| 15 | 0 | -6 |
| 16 | 0 | -7 |
| 17 | 0 | -7 |
| 18 | 0 | -7 |
| 19 | 0 | -7 |
| 20 | 0 | -7 |
| 21 | 0 | -7 |
| 22 | 0 | -7 |
| 23 | 0 | -7 |
| 24 | 0 | -7 |
| 25 | -1 | -8 |
| 26 | -1 | -8 |
| 27 | -1 | -8 |
| 28 | -1 | -8 |
| 29 | -1 | -8 |
| 30 | -1 | -8 |
| 31 | -1 | -8 |
How December really feels in Stouffville
Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in December is cold — wind chill drags the overnight "feels like" below the raw low.
Stouffville weather by month
How December compares with the rest of the year at a glance. December is the 10th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -2° / -11° | 62 | 10.4 | 8.8 | 9.1 | 0.0 |
| Feb | -1° / -10° | 49 | 8.1 | 6.9 | 10.2 | 0.0 |
| Mar | 4° / -5° | 59 | 10.4 | 5.7 | 11.6 | 0.2 |
| Apr | 12° / 2° | 82 | 11.3 | 2.3 | 13.2 | 2.8 |
| May | 18° / 8° | 82 | 11.2 | 0 | 14.5 | 5.6 |
| Jun | 23° / 13° | 93 | 11.7 | 0 | 15.2 | 6.5 |
| Jul | 26° / 16° | 88 | 10.9 | 0 | 14.9 | 6.6 |
| Aug | 25° / 15° | 84 | 10.1 | 0 | 13.8 | 6.9 |
| Sep | 21° / 11° | 78 | 9.5 | 0 | 12.3 | 6.5 |
| Oct | 13° / 5° | 81 | 11.5 | 0.4 | 10.8 | 3.7 |
| Nov | 6° / -1° | 71 | 10.6 | 3.2 | 9.4 | 0.7 |
| Dec | 1° / -6° | 62 | 10.4 | 7.3 | 8.8 | 0.0 |
Cloud cover in December
The sky is clear or mostly clear about 9% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 80%.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 20 | 19 | 20 | 20 | 20 | 20 | 20 | 21 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 |
| Cloudier (%) | 80 | 81 | 80 | 80 | 80 | 80 | 80 | 79 | 78 | 78 | 78 | 79 | 79 | 79 | 79 | 79 | 79 | 79 | 79 | 80 | 80 | 80 | 81 | 82 | 82 | 82 | 83 | 83 | 83 | 83 | 83 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 20 | 80 |
| 2 | 19 | 81 |
| 3 | 20 | 80 |
| 4 | 20 | 80 |
| 5 | 20 | 80 |
| 6 | 20 | 80 |
| 7 | 20 | 80 |
| 8 | 21 | 79 |
| 9 | 22 | 78 |
| 10 | 22 | 78 |
| 11 | 22 | 78 |
| 12 | 21 | 79 |
| 13 | 21 | 79 |
| 14 | 21 | 79 |
| 15 | 21 | 79 |
| 16 | 21 | 79 |
| 17 | 21 | 79 |
| 18 | 21 | 79 |
| 19 | 21 | 79 |
| 20 | 20 | 80 |
| 21 | 20 | 80 |
| 22 | 20 | 80 |
| 23 | 19 | 81 |
| 24 | 18 | 82 |
| 25 | 18 | 82 |
| 26 | 18 | 82 |
| 27 | 17 | 83 |
| 28 | 17 | 83 |
| 29 | 17 | 83 |
| 30 | 17 | 83 |
| 31 | 17 | 83 |
Chance of precipitation in December
Stouffville gets around 62 mm of rain and snow over 10.4 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 34% and peaks near 37% on the wettest days, and about 7 days bring snow.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 37 | 37 | 36 | 36 | 36 | 35 | 35 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 35 |
| Snow chance (%) | 19 | 20 | 20 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 26 | 26 | 26 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 37 | 19 |
| 2 | 37 | 20 |
| 3 | 36 | 20 |
| 4 | 36 | 21 |
| 5 | 36 | 21 |
| 6 | 35 | 22 |
| 7 | 35 | 22 |
| 8 | 34 | 22 |
| 9 | 34 | 23 |
| 10 | 34 | 23 |
| 11 | 33 | 23 |
| 12 | 33 | 23 |
| 13 | 33 | 24 |
| 14 | 33 | 24 |
| 15 | 33 | 24 |
| 16 | 33 | 24 |
| 17 | 33 | 25 |
| 18 | 33 | 25 |
| 19 | 33 | 25 |
| 20 | 33 | 25 |
| 21 | 33 | 25 |
| 22 | 33 | 24 |
| 23 | 33 | 24 |
| 24 | 33 | 24 |
| 25 | 33 | 25 |
| 26 | 33 | 25 |
| 27 | 33 | 25 |
| 28 | 34 | 25 |
| 29 | 34 | 26 |
| 30 | 34 | 26 |
| 31 | 35 | 26 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 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 |
| 31 | 100 |
Wind in December
Winds average 14 km/h in December.
Across December, 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.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 14 | light breeze |
| 2 | 14 | light breeze |
| 3 | 14 | light breeze |
| 4 | 14 | light breeze |
| 5 | 14 | light breeze |
| 6 | 14 | light breeze |
| 7 | 14 | light breeze |
| 8 | 14 | light breeze |
| 9 | 14 | light breeze |
| 10 | 14 | light breeze |
| 11 | 14 | light breeze |
| 12 | 13 | light breeze |
| 13 | 13 | light breeze |
| 14 | 13 | light breeze |
| 15 | 13 | light breeze |
| 16 | 14 | light breeze |
| 17 | 14 | light breeze |
| 18 | 14 | light breeze |
| 19 | 14 | light breeze |
| 20 | 14 | light breeze |
| 21 | 14 | light breeze |
| 22 | 14 | light breeze |
| 23 | 14 | light breeze |
| 24 | 14 | light breeze |
| 25 | 14 | light breeze |
| 26 | 14 | light breeze |
| 27 | 14 | light breeze |
| 28 | 14 | light breeze |
| 29 | 14 | light breeze |
| 30 | 14 | light breeze |
| 31 | 14 | light breeze |
Sunrise & sunset in December
Daylight runs from about 9 hours at the start of December to 8 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over December. Sunrise moves from 7:38 AM to 7:58 AM, and sunset from 4:35 PM to 4:43 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.0 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.8 |
| Sunrise (AM) | 7:38 | 7:39 | 7:40 | 7:41 | 7:42 | 7:43 | 7:44 | 7:45 | 7:46 | 7:47 | 7:48 | 7:48 | 7:49 | 7:50 | 7:51 | 7:51 | 7:52 | 7:53 | 7:53 | 7:54 | 7:54 | 7:55 | 7:55 | 7:56 | 7:56 | 7:56 | 7:57 | 7:57 | 7:57 | 7:57 | 7:58 |
| Sunset (PM) | 4:35 | 4:35 | 4:35 | 4:35 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:35 | 4:35 | 4:35 | 4:35 | 4:36 | 4:36 | 4:37 | 4:37 | 4:38 | 4:38 | 4:39 | 4:39 | 4:40 | 4:41 | 4:41 | 4:42 | 4:43 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.0 | 7:38 | 4:35 |
| 2 | 8.9 | 7:39 | 4:35 |
| 3 | 8.9 | 7:40 | 4:35 |
| 4 | 8.9 | 7:41 | 4:35 |
| 5 | 8.9 | 7:42 | 4:34 |
| 6 | 8.9 | 7:43 | 4:34 |
| 7 | 8.8 | 7:44 | 4:34 |
| 8 | 8.8 | 7:45 | 4:34 |
| 9 | 8.8 | 7:46 | 4:34 |
| 10 | 8.8 | 7:47 | 4:34 |
| 11 | 8.8 | 7:48 | 4:34 |
| 12 | 8.8 | 7:48 | 4:34 |
| 13 | 8.8 | 7:49 | 4:34 |
| 14 | 8.7 | 7:50 | 4:34 |
| 15 | 8.7 | 7:51 | 4:35 |
| 16 | 8.7 | 7:51 | 4:35 |
| 17 | 8.7 | 7:52 | 4:35 |
| 18 | 8.7 | 7:53 | 4:35 |
| 19 | 8.7 | 7:53 | 4:36 |
| 20 | 8.7 | 7:54 | 4:36 |
| 21 | 8.7 | 7:54 | 4:37 |
| 22 | 8.7 | 7:55 | 4:37 |
| 23 | 8.7 | 7:55 | 4:38 |
| 24 | 8.7 | 7:56 | 4:38 |
| 25 | 8.7 | 7:56 | 4:39 |
| 26 | 8.7 | 7:56 | 4:39 |
| 27 | 8.7 | 7:57 | 4:40 |
| 28 | 8.7 | 7:57 | 4:41 |
| 29 | 8.7 | 7:57 | 4:41 |
| 30 | 8.7 | 7:57 | 4:42 |
| 31 | 8.8 | 7:58 | 4:43 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 1.3 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 1.3 kWh/m² to a high of 6.36 kWh/m² in June across the year — December's 1.3 kWh/m² sits near the bottom.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 1.4 | 1.4 | 1.4 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 |
| Level | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 1.4 | Dim |
| 2 | 1.4 | Dim |
| 3 | 1.4 | Dim |
| 4 | 1.3 | Dim |
| 5 | 1.3 | Dim |
| 6 | 1.3 | Dim |
| 7 | 1.3 | Dim |
| 8 | 1.3 | Dim |
| 9 | 1.3 | Dim |
| 10 | 1.3 | Dim |
| 11 | 1.3 | Dim |
| 12 | 1.3 | Dim |
| 13 | 1.3 | Dim |
| 14 | 1.3 | Dim |
| 15 | 1.3 | Dim |
| 16 | 1.3 | Dim |
| 17 | 1.3 | Dim |
| 18 | 1.3 | Dim |
| 19 | 1.3 | Dim |
| 20 | 1.3 | Dim |
| 21 | 1.3 | Dim |
| 22 | 1.3 | Dim |
| 23 | 1.3 | Dim |
| 24 | 1.3 | Dim |
| 25 | 1.3 | Dim |
| 26 | 1.3 | Dim |
| 27 | 1.3 | Dim |
| 28 | 1.3 | Dim |
| 29 | 1.3 | Dim |
| 30 | 1.3 | Dim |
| 31 | 1.3 | Dim |
Is December a good time to visit Stouffville?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a weaker month for outdoor sightseeing in Stouffville.
What to pack for Stouffville in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Stouffville sees daytime highs around 1°C and nights near -6°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.
Sea temperature near Stouffville in December
The nearest coast averages about 5°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 32 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 4 | 3 | 3 | 4 | 7 | 14 | 19 | 21 | 19 | 13 | 8 | 5 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 4 | Bracing |
| Feb | 3 | Bracing |
| Mar | 3 | Bracing |
| Apr | 4 | Bracing |
| May | 7 | Bracing |
| Jun | 14 | Bracing |
| Jul | 19 | Cool |
| Aug | 21 | Refreshing |
| Sep | 19 | Cool |
| Oct | 13 | Bracing |
| Nov | 8 | Bracing |
| Dec | 5 | Bracing |
UV index in Stouffville in December
Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Stouffville peaks around June 21 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 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 6 | 8 | 8 | 6 | 5 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | High | High | Very high | Very high | High | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 6 | High |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Stouffville in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Stouffville 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 11 | 14 | 16 | 17 | 19 | 18 | 18 | 16 | 14 | 10 | 9 | 9 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 14 | Moderate |
| Mar | 16 | Moderate |
| Apr | 17 | Moderate |
| May | 19 | Moderate |
| Jun | 18 | Moderate |
| Jul | 18 | Moderate |
| Aug | 16 | Moderate |
| Sep | 14 | Moderate |
| Oct | 10 | Good |
| Nov | 9 | Good |
| Dec | 9 | Good |
Where is Stouffville?
Stouffville sits at 44.0°N, 79.2°W, 268 m above sea level, in Canada. The nearest listed city is Whitchurch-Stouffville, 6.0 km away.
Topography around Stouffville
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Stouffville.
Within 3 km, the terrain around Stouffville has only modest variations in elevation — a maximum elevation change of 72 m around an average of 266 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 294 m; within 80 km, significant variations in elevation — a maximum elevation change of 518 m.
The land around Stouffville is covered by cropland (30%), trees (22%) and grassland (22%) within 3 km, trees (39%), cropland (25%) and grassland (22%) within 16 km, and water (32%), trees (28%) and cropland (21%) within 80 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 Stouffville (43.9668°, -79.2496°, elevation 268 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).