Huntsville in Summer
In summer (June, July and August), Huntsville sees average daytime highs around 22°C and overnight lows near 13°C, with 292 mm of rain over about 35 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Over the season highs climb from about 18°C in early June to 21°C by late August. The sky is clear or mostly clear about 27% of the time across summer, and the air most often feels dry.
Summer is Huntsville's best season of the year to visit on our travel score. For the whole year in context, see Huntsville's year-round climate.
- Avg daytime high
- 22°C
- warmest season of the year
- Avg overnight low
- 13°C
- Rainfall
- 292 mm
- 35 wet days
- Avg wind
- 10 km/h
- Travel score
- 6.3
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Huntsville in Summer
Over the season highs climb from about 18°C in early June to 21°C by late August.
A typical summer day in Huntsville reaches about 22°C and drops to 13°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Huntsville
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Huntsville weather by month
How the three summer months (June, July and August) 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 | -5° / -13° | 78 | 13 | 13.3 | 8.9 | 0.0 |
| Feb | -4° / -13° | 55 | 9.7 | 10.1 | 10.1 | 0.0 |
| Mar | 1° / -7° | 68 | 10 | 7.6 | 11.6 | 0.0 |
| Apr | 9° / -0° | 86 | 11.5 | 4.3 | 13.2 | 1.5 |
| May | 15° / 6° | 88 | 11.2 | 0.3 | 14.6 | 4.6 |
| Jun | 20° / 11° | 93 | 11.5 | 0 | 15.4 | 6.1 |
| Jul | 23° / 15° | 96 | 11.9 | 0 | 15.1 | 6.5 |
| Aug | 22° / 14° | 102 | 12 | 0 | 13.9 | 6.4 |
| Sep | 18° / 10° | 99 | 11 | 0 | 12.3 | 5.7 |
| Oct | 11° / 4° | 104 | 13.6 | 1 | 10.7 | 2.6 |
| Nov | 4° / -2° | 94 | 13.8 | 7.5 | 9.3 | 0.2 |
| Dec | -2° / -8° | 81 | 15.2 | 13.4 | 8.6 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 27% of the time across summer.
Chance of precipitation in Summer
Huntsville gets around 292 mm of rain over 35 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 10 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 h 12 min in early June to 13 h 12 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.7 kWh/m².
Is summer a good time to visit Huntsville?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Huntsville for sightseeing.
What to pack for Huntsville in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Huntsville sees daytime highs around 22°C and nights near 13°C. Pack sun protection. Worth having: light clothes and rain gear. About 35 days see rain.
UV index in Huntsville in Summer
Clear-sky midday UV across summer averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Huntsville peaks around June 22 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 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 | 3 | 5 | 7 | 8 | 8 | 6 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | Moderate | High | Very high | Very high | High | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 3 | Moderate |
| Apr | 5 | Moderate |
| May | 7 | High |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 6 | High |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Huntsville?
Huntsville sits at 45.3°N, 79.2°W, 302 m above sea level, in Canada. The nearest listed city is Bracebridge, 34 km away.
Topography around Huntsville
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Huntsville.
Within 3 km, the terrain around Huntsville has only modest variations in elevation — a maximum elevation change of 115 m around an average of 311 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 175 m; within 80 km, significant variations in elevation — a maximum elevation change of 394 m.
The land around Huntsville is covered by trees (62%) within 3 km, trees (84%) within 16 km, and trees (84%) 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 Huntsville (45.3334°, -79.2163°, elevation 302 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.