Bolton weather in November
In November, Bolton sees average daytime highs of 6°C and overnight lows near -1°C, with 67 mm of precipitation across 10.2 wet days and about 9.5 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.
Highs ease over the month, from about 9°C in the first days to 4°C by the end. The sky is clear or mostly clear about 14% of the time in November, and the air most often feels dry.
Daylight stretches from about 10 hours at the start of November to 9 hours by month's end. Set against the rest of the year, November is Bolton's 10th-clearest and 6th-windiest month. For the whole year in context, see Bolton's year-round climate.
- Daytime high
- 6°
- 8th warmest
- Overnight low
- -1°
- 5th coldest
- Precipitation
- 67 mm
- 10.2 wet days
- Daylight
- 9 h 24 min
- 7:22 AM – 4:46 PM
- Cloud cover
- 74%
- 10th clearest
- Wind
- 13 km/h
- 6th windiest
- Solar energy
- 1.68 kWh/m²
- Travel score
- 0.7
- out of 10
Bolton is town in Caledon, Ontario, Canada.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in November
Highs ease over the month, from about 9°C in the first days to 4°C by the end.
A typical November day in Bolton reaches about 6°C in the afternoon and slips back to -1°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between -0°C and 14°C. Set against its neighbours, November runs about 7°C cooler than October and about 6°C warmer than December.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 |
| Avg low (°C) | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | -1 | -1 | -1 | -1 | -1 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -3 | -3 | -3 | -3 | -3 | -3 | -3 | -4 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 9 | 1 |
| 2 | 9 | 1 |
| 3 | 9 | 1 |
| 4 | 9 | 1 |
| 5 | 9 | 1 |
| 6 | 8 | 0 |
| 7 | 8 | 0 |
| 8 | 8 | 0 |
| 9 | 8 | 0 |
| 10 | 7 | 0 |
| 11 | 7 | -1 |
| 12 | 7 | -1 |
| 13 | 7 | -1 |
| 14 | 6 | -1 |
| 15 | 6 | -1 |
| 16 | 6 | -2 |
| 17 | 6 | -2 |
| 18 | 6 | -2 |
| 19 | 5 | -2 |
| 20 | 5 | -2 |
| 21 | 5 | -2 |
| 22 | 5 | -2 |
| 23 | 5 | -3 |
| 24 | 4 | -3 |
| 25 | 4 | -3 |
| 26 | 4 | -3 |
| 27 | 4 | -3 |
| 28 | 4 | -3 |
| 29 | 3 | -3 |
| 30 | 3 | -4 |
How November really feels in Bolton
Once humidity and wind are folded in, November 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.
The story in November is cold — wind chill drags the overnight "feels like" below the raw low.
Bolton weather by month
How November compares with the rest of the year at a glance. November is the 8th-warmest and 8th-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° / -10° | 56 | 9.6 | 8.7 | 9.1 | 0.0 |
| Feb | -1° / -10° | 47 | 7.9 | 7.2 | 10.2 | 0.0 |
| Mar | 4° / -5° | 55 | 10 | 5.6 | 11.6 | 0.3 |
| Apr | 12° / 1° | 76 | 11 | 2.6 | 13.2 | 2.8 |
| May | 18° / 7° | 81 | 11.3 | 0 | 14.5 | 5.6 |
| Jun | 23° / 12° | 88 | 11.5 | 0 | 15.2 | 6.5 |
| Jul | 26° / 15° | 83 | 11 | 0 | 14.9 | 6.6 |
| Aug | 25° / 14° | 79 | 9.7 | 0 | 13.8 | 6.9 |
| Sep | 21° / 10° | 72 | 9.5 | 0 | 12.3 | 6.5 |
| Oct | 13° / 4° | 73 | 11 | 0.4 | 10.8 | 3.6 |
| Nov | 6° / -1° | 67 | 10.2 | 3.5 | 9.5 | 0.7 |
| Dec | 1° / -6° | 57 | 10.2 | 8 | 8.8 | 0.0 |
Cloud cover in November
The sky is clear or mostly clear about 14% of the time in November.
Beyond those clear spells, partly cloudy skies cover about 12% of November, with mostly cloudy or overcast conditions the remaining 74%. Skies tend to cloud over as the month goes on.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 29 | 28 | 28 | 26 | 26 | 25 | 24 | 23 | 23 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 19 | 19 |
| Cloudier (%) | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 70 | 70 | 71 | 72 | 72 | 74 | 74 | 75 | 76 | 77 | 77 | 79 | 79 | 79 | 80 | 80 | 80 | 80 | 81 | 81 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 31 | 69 |
| 2 | 31 | 69 |
| 3 | 31 | 69 |
| 4 | 31 | 69 |
| 5 | 31 | 69 |
| 6 | 31 | 69 |
| 7 | 31 | 69 |
| 8 | 31 | 69 |
| 9 | 31 | 69 |
| 10 | 31 | 69 |
| 11 | 30 | 70 |
| 12 | 30 | 70 |
| 13 | 29 | 71 |
| 14 | 28 | 72 |
| 15 | 28 | 72 |
| 16 | 26 | 74 |
| 17 | 26 | 74 |
| 18 | 25 | 75 |
| 19 | 24 | 76 |
| 20 | 23 | 77 |
| 21 | 23 | 77 |
| 22 | 21 | 79 |
| 23 | 21 | 79 |
| 24 | 21 | 79 |
| 25 | 20 | 80 |
| 26 | 20 | 80 |
| 27 | 20 | 80 |
| 28 | 20 | 80 |
| 29 | 19 | 81 |
| 30 | 19 | 81 |
Chance of precipitation in November
Bolton gets around 67 mm of rain and snow over 10.2 wet days in November. 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 4 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 35 | 34 | 34 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 33 | 33 | 34 | 34 | 35 | 35 | 36 | 36 | 36 | 37 | 37 | 37 |
| Snow chance (%) | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 9 | 9 | 10 | 10 | 11 | 12 | 12 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 18 | 18 | 19 | 20 | 20 | 21 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 35 | 5 |
| 2 | 34 | 5 |
| 3 | 34 | 5 |
| 4 | 33 | 6 |
| 5 | 33 | 6 |
| 6 | 33 | 6 |
| 7 | 32 | 7 |
| 8 | 32 | 7 |
| 9 | 32 | 8 |
| 10 | 32 | 9 |
| 11 | 32 | 9 |
| 12 | 31 | 10 |
| 13 | 31 | 10 |
| 14 | 31 | 11 |
| 15 | 31 | 12 |
| 16 | 32 | 12 |
| 17 | 32 | 13 |
| 18 | 32 | 14 |
| 19 | 33 | 14 |
| 20 | 33 | 15 |
| 21 | 34 | 15 |
| 22 | 34 | 16 |
| 23 | 35 | 16 |
| 24 | 35 | 17 |
| 25 | 36 | 18 |
| 26 | 36 | 18 |
| 27 | 36 | 19 |
| 28 | 37 | 20 |
| 29 | 37 | 20 |
| 30 | 37 | 21 |
Humidity in November
Most of November feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, November 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 99 | 99 | 99 | 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 |
| Comfortable (%) | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 99 | 1 |
| 2 | 99 | 1 |
| 3 | 99 | 1 |
| 4 | 100 | 0 |
| 5 | 100 | 0 |
| 6 | 100 | 0 |
| 7 | 100 | 0 |
| 8 | 100 | 0 |
| 9 | 100 | 0 |
| 10 | 100 | 0 |
| 11 | 100 | 0 |
| 12 | 100 | 0 |
| 13 | 100 | 0 |
| 14 | 100 | 0 |
| 15 | 100 | 0 |
| 16 | 100 | 0 |
| 17 | 100 | 0 |
| 18 | 100 | 0 |
| 19 | 100 | 0 |
| 20 | 100 | 0 |
| 21 | 100 | 0 |
| 22 | 100 | 0 |
| 23 | 100 | 0 |
| 24 | 100 | 0 |
| 25 | 100 | 0 |
| 26 | 100 | 0 |
| 27 | 100 | 0 |
| 28 | 100 | 0 |
| 29 | 100 | 0 |
| 30 | 100 | 0 |
Wind in November
Winds average 13 km/h in November.
Across November, daily wind ranges from about 13 km/h on the calmest days to 13 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 13 | light breeze |
| 8 | 13 | light breeze |
| 9 | 13 | light breeze |
| 10 | 13 | light breeze |
| 11 | 13 | light breeze |
| 12 | 13 | light breeze |
| 13 | 13 | light breeze |
| 14 | 13 | light breeze |
| 15 | 13 | light breeze |
| 16 | 13 | light breeze |
| 17 | 13 | light breeze |
| 18 | 13 | light breeze |
| 19 | 13 | light breeze |
| 20 | 13 | light breeze |
| 21 | 13 | light breeze |
| 22 | 13 | light breeze |
| 23 | 13 | light breeze |
| 24 | 13 | light breeze |
| 25 | 13 | light breeze |
| 26 | 13 | light breeze |
| 27 | 13 | light breeze |
| 28 | 13 | light breeze |
| 29 | 13 | light breeze |
| 30 | 13 | light breeze |
Sunrise & sunset in November
Daylight runs from about 10 hours at the start of November to 9 hours by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 60 minutes over November. Sunrise moves from 7:02 AM to 7:39 AM, and sunset from 5:03 PM to 4:38 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 10.0 | 10.0 | 9.9 | 9.9 | 9.8 | 9.8 | 9.8 | 9.7 | 9.7 | 9.6 | 9.6 | 9.6 | 9.5 | 9.5 | 9.4 | 9.4 | 9.4 | 9.3 | 9.3 | 9.3 | 9.2 | 9.2 | 9.2 | 9.1 | 9.1 | 9.1 | 9.1 | 9.0 | 9.0 | 9.0 |
| Sunrise (AM) | 7:02 | 7:03 | 7:05 | 7:06 | 7:07 | 7:09 | 7:10 | 7:11 | 7:13 | 7:14 | 7:15 | 7:17 | 7:18 | 7:19 | 7:21 | 7:22 | 7:23 | 7:24 | 7:26 | 7:27 | 7:28 | 7:29 | 7:31 | 7:32 | 7:33 | 7:34 | 7:35 | 7:37 | 7:38 | 7:39 |
| Sunset (PM) | 5:03 | 5:02 | 5:00 | 4:59 | 4:58 | 4:57 | 4:56 | 4:54 | 4:53 | 4:52 | 4:51 | 4:50 | 4:49 | 4:48 | 4:47 | 4:46 | 4:46 | 4:45 | 4:44 | 4:43 | 4:43 | 4:42 | 4:41 | 4:41 | 4:40 | 4:40 | 4:39 | 4:39 | 4:38 | 4:38 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.0 | 7:02 | 5:03 |
| 2 | 10.0 | 7:03 | 5:02 |
| 3 | 9.9 | 7:05 | 5:00 |
| 4 | 9.9 | 7:06 | 4:59 |
| 5 | 9.8 | 7:07 | 4:58 |
| 6 | 9.8 | 7:09 | 4:57 |
| 7 | 9.8 | 7:10 | 4:56 |
| 8 | 9.7 | 7:11 | 4:54 |
| 9 | 9.7 | 7:13 | 4:53 |
| 10 | 9.6 | 7:14 | 4:52 |
| 11 | 9.6 | 7:15 | 4:51 |
| 12 | 9.6 | 7:17 | 4:50 |
| 13 | 9.5 | 7:18 | 4:49 |
| 14 | 9.5 | 7:19 | 4:48 |
| 15 | 9.4 | 7:21 | 4:47 |
| 16 | 9.4 | 7:22 | 4:46 |
| 17 | 9.4 | 7:23 | 4:46 |
| 18 | 9.3 | 7:24 | 4:45 |
| 19 | 9.3 | 7:26 | 4:44 |
| 20 | 9.3 | 7:27 | 4:43 |
| 21 | 9.2 | 7:28 | 4:43 |
| 22 | 9.2 | 7:29 | 4:42 |
| 23 | 9.2 | 7:31 | 4:41 |
| 24 | 9.1 | 7:32 | 4:41 |
| 25 | 9.1 | 7:33 | 4:40 |
| 26 | 9.1 | 7:34 | 4:40 |
| 27 | 9.1 | 7:35 | 4:39 |
| 28 | 9.0 | 7:37 | 4:39 |
| 29 | 9.0 | 7:38 | 4:38 |
| 30 | 9.0 | 7:39 | 4:38 |
Solar energy in November
Average shortwave solar energy reaching the ground each day in November, about 1.68 kWh/m².
For context, solar energy here swings from a low near 1.27 kWh/m² to a high of 6.31 kWh/m² in June across the year — November's 1.68 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.8 | 1.8 | 1.8 | 1.7 | 1.7 | 1.7 | 1.6 | 1.6 | 1.6 | 1.6 | 1.5 | 1.5 | 1.5 | 1.5 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 |
| Level | Moderate | Moderate | Moderate | 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 | 2.0 | Moderate |
| 2 | 2.0 | Moderate |
| 3 | 2.0 | Moderate |
| 4 | 2.0 | Dim |
| 5 | 2.0 | Dim |
| 6 | 1.9 | Dim |
| 7 | 1.9 | Dim |
| 8 | 1.9 | Dim |
| 9 | 1.9 | Dim |
| 10 | 1.9 | Dim |
| 11 | 1.8 | Dim |
| 12 | 1.8 | Dim |
| 13 | 1.8 | Dim |
| 14 | 1.7 | Dim |
| 15 | 1.7 | Dim |
| 16 | 1.7 | Dim |
| 17 | 1.6 | Dim |
| 18 | 1.6 | Dim |
| 19 | 1.6 | Dim |
| 20 | 1.6 | Dim |
| 21 | 1.5 | Dim |
| 22 | 1.5 | Dim |
| 23 | 1.5 | Dim |
| 24 | 1.5 | Dim |
| 25 | 1.4 | Dim |
| 26 | 1.4 | Dim |
| 27 | 1.4 | Dim |
| 28 | 1.4 | Dim |
| 29 | 1.4 | Dim |
| 30 | 1.4 | Dim |
Is November a good time to visit Bolton?
Our two travel scores rate November for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
November is a weaker month for outdoor sightseeing in Bolton.
What to pack for Bolton in November
From November's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In November, Bolton sees daytime highs around 6°C and nights near -1°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 10 days see rain.
Sea temperature near Bolton in November
The nearest coast averages about 8°C in November — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 41 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 20 to Sep 2 — about 1.5 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 | 15 | 20 | 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 | 15 | Bracing |
| Jul | 20 | Cool |
| Aug | 21 | Refreshing |
| Sep | 19 | Cool |
| Oct | 13 | Bracing |
| Nov | 8 | Bracing |
| Dec | 5 | Bracing |
UV index in Bolton in November
Clear-sky midday UV in November peaks around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Bolton peaks around June 22 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 8 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 Bolton in November
Average fine-particle pollution (PM2.5) through the year — so you can see where November falls, not just the annual average.
Air quality in Bolton 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 Bolton?
Bolton sits at 43.9°N, 79.7°W, 221 m above sea level, in Canada. The nearest listed city is Mount Olive-Silverstone-Jamestown, 19 km away.
Topography around Bolton
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bolton.
Within 3 km, the terrain around Bolton has only modest variations in elevation — a maximum elevation change of 83 m around an average of 249 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 323 m; within 80 km, significant variations in elevation — a maximum elevation change of 473 m.
The land around Bolton is covered by trees (37%) and artificial surfaces (29%) within 3 km, trees (35%), cropland (27%) and grassland (25%) within 16 km, and trees (30%), cropland (29%) and water (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 Bolton (43.8795°, -79.7379°, elevation 221 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).