Cullman in Summer
In summer (June, July and August), Cullman sees average daytime highs around 87°F and overnight lows near 70°F, with 11.2 in of rain over about 39 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 87°F. The sky is clear or mostly clear about 29% of the time across summer, and the air most often feels oppressive.
Summer is Cullman's 3rd-best season to visit on our travel score. For the whole year in context, see Cullman's year-round climate.
- Avg daytime high
- 87°F
- warmest season of the year
- Avg overnight low
- 70°F
- Rainfall
- 11.2 in
- 39 wet days
- Avg wind
- 4 mph
- Travel score
- 4.3
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Cullman in Summer
Across summer, daytime highs hold fairly steady around 87°F.
A typical summer day in Cullman reaches about 87°F and drops to 70°F overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Cullman
Once humidity and wind are folded in, summer brings about 69 days that feel above 90°F and 0 that feel at or below 32°F.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Cullman 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 (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 51° / 34° | 5.0 | 10 | 0.6 | 10 | 2.6 |
| Feb | 56° / 37° | 4.8 | 10.4 | 0.6 | 10.7 | 3.6 |
| Mar | 64° / 44° | 5.4 | 11 | 0.2 | 11.7 | 5.6 |
| Apr | 72° / 52° | 4.8 | 10.2 | 0 | 12.8 | 6.7 |
| May | 80° / 61° | 4.0 | 10.8 | 0 | 13.8 | 6.5 |
| Jun | 86° / 68° | 4.0 | 12.7 | 0 | 14.2 | 4.7 |
| Jul | 88° / 71° | 4.2 | 14.1 | 0 | 14 | 4.0 |
| Aug | 88° / 70° | 3.0 | 11.8 | 0 | 13.3 | 4.3 |
| Sep | 83° / 64° | 3.4 | 7.4 | 0 | 12.2 | 6.2 |
| Oct | 73° / 52° | 3.4 | 7.3 | 0 | 11.1 | 7.4 |
| Nov | 62° / 42° | 4.0 | 8.7 | 0.1 | 10.2 | 5.6 |
| Dec | 54° / 37° | 5.1 | 10.6 | 0.3 | 9.8 | 3.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 29% of the time across summer.
Chance of precipitation in Summer
Cullman gets around 11.2 in of rain over 39 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 4 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 06 min in early June to 12 h 48 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 5.9 kWh/m².
Is summer a good time to visit Cullman?
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 Cullman for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Cullman in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Cullman sees daytime highs around 87°F and nights near 70°F. Pack light clothes, rain gear and sun protection. About 39 days see rain.
UV index in Cullman in Summer
Clear-sky midday UV across summer averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Cullman peaks around July 12 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 6 | 8 | 8 | 10 | 10 | 9 | 8 | 5 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 6 | High |
| Apr | 8 | Very high |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Cullman in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Cullman is worst in July — around 19 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (January, 6 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) | 6 | 8 | 10 | 10 | 13 | 16 | 19 | 16 | 11 | 8 | 7 | 6 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 8 | Good |
| Mar | 10 | Good |
| Apr | 10 | Good |
| May | 13 | Moderate |
| Jun | 16 | Moderate |
| Jul | 19 | Moderate |
| Aug | 16 | Moderate |
| Sep | 11 | Good |
| Oct | 8 | Good |
| Nov | 7 | Good |
| Dec | 6 | Good |
Where is Cullman?
Cullman sits at 34.2°N, 86.8°W, 794 ft above sea level, in United States. The nearest listed city is Decatur, 31 mi away.
Topography around Cullman
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Cullman.
Within 2 miles, the terrain around Cullman has only modest variations in elevation — a maximum elevation change of 331 ft around an average of 787 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 679 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,499 ft.
The land around Cullman is covered by trees (54%) and grassland (24%) within 2 miles, trees (58%) and grassland (34%) within 10 miles, and trees (71%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- 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 Cullman (34.1748°, -86.8436°, elevation 794 ft), 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.