East Gwillimbury in Fall
In fall (September, October and November), East Gwillimbury sees average daytime highs around 14°C and overnight lows near 4°C, with 216 mm of precipitation over about 30 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 23°C in early September to 4°C by late November. The sky is clear or mostly clear about 22% of the time across fall, and the air most often feels dry.
Fall is East Gwillimbury's 2nd-best season to visit on our travel score. For the whole year in context, see East Gwillimbury's year-round climate.
- Avg daytime high
- 14°C
- 2nd-warmest season
- Avg overnight low
- 4°C
- Precipitation
- 216 mm
- 30 wet days
- Avg wind
- 12 km/h
- Travel score
- 3.7
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in East Gwillimbury in Fall
Over the season highs ease from about 23°C in early September to 4°C by late November.
A typical fall day in East Gwillimbury reaches about 14°C and drops to 4°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in East Gwillimbury
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 39 that feel at or below 0°C.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
East Gwillimbury weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -2° / -11° | 57 | 10.1 | 8.8 | 9.1 | 0.0 |
| Feb | -1° / -11° | 46 | 7.9 | 6.8 | 10.2 | 0.0 |
| Mar | 5° / -5° | 56 | 10.1 | 5.8 | 11.6 | 0.3 |
| Apr | 12° / 2° | 77 | 11.4 | 2.3 | 13.2 | 3.0 |
| May | 19° / 7° | 80 | 11.2 | 0 | 14.5 | 5.8 |
| Jun | 24° / 13° | 88 | 11.2 | 0 | 15.2 | 6.6 |
| Jul | 26° / 15° | 84 | 10.8 | 0 | 15 | 6.6 |
| Aug | 25° / 14° | 78 | 9.6 | 0 | 13.8 | 6.9 |
| Sep | 21° / 10° | 73 | 9.2 | 0 | 12.3 | 6.6 |
| Oct | 14° / 4° | 75 | 11 | 0.4 | 10.8 | 3.8 |
| Nov | 6° / -1° | 68 | 10.2 | 3.4 | 9.4 | 0.7 |
| Dec | 1° / -7° | 57 | 9.9 | 7.3 | 8.8 | 0.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 22% of the time across fall.
Chance of precipitation in Fall
East Gwillimbury gets around 216 mm of rain and snow over 30 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 12 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 h 06 min in early September to 9 hours by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 2.8 kWh/m².
Is fall a good time to visit East Gwillimbury?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in East Gwillimbury.
What to pack for East Gwillimbury in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, East Gwillimbury sees daytime highs around 14°C and nights near 4°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 30 days see rain.
Sea temperature near East Gwillimbury in Fall
The nearest coast averages about 13°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 52 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 East Gwillimbury in Fall
Clear-sky midday UV across fall averages around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in East Gwillimbury 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 East Gwillimbury in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in East Gwillimbury 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 East Gwillimbury?
East Gwillimbury sits at 44.1°N, 79.4°W, 271 m above sea level, in Canada. The nearest listed city is Newmarket, 6.0 km away.
Topography around East Gwillimbury
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of East Gwillimbury.
Within 3 km, the terrain around East Gwillimbury has only modest variations in elevation — a maximum elevation change of 80 m around an average of 265 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 156 m; within 80 km, significant variations in elevation — a maximum elevation change of 532 m.
The land around East Gwillimbury is covered by cropland (34%), trees (28%) and grassland (23%) within 3 km, trees (40%) and cropland (29%) within 16 km, and trees (35%), cropland (24%) 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 East Gwillimbury (44.1009°, -79.4378°, elevation 271 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.