Douglas in Summer
In summer (June, July and August), Douglas sees average daytime highs around 93°F and overnight lows near 68°F, with 4.1 in of rain over about 24 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 93°F. The sky is clear or mostly clear about 52% of the time across summer, and the air most often feels dry.
Summer is Douglas's weakest season of the year to visit on our travel score. For the whole year in context, see Douglas's year-round climate.
- Avg daytime high
- 93°F
- warmest season of the year
- Avg overnight low
- 68°F
- Rainfall
- 4.1 in
- 24 wet days
- Avg wind
- 5 mph
- Travel score
- 3.3
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Douglas in Summer
Across summer, daytime highs hold fairly steady around 93°F.
A typical summer day in Douglas reaches about 93°F and drops to 68°F overnight. The warmest of the three months is June, the coolest June.
How summer really feels in Douglas
Once humidity and wind are folded in, summer brings about 92 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.
Douglas 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 62° / 36° | 1.1 | 3.5 | 10.2 | 6.4 |
| Feb | 65° / 39° | 0.9 | 3.7 | 10.9 | 7.2 |
| Mar | 72° / 44° | 0.6 | 3 | 11.8 | 8.3 |
| Apr | 79° / 49° | 0.2 | 1.3 | 12.7 | 8.5 |
| May | 88° / 58° | 0.2 | 1.2 | 13.6 | 6.0 |
| Jun | 95° / 67° | 0.4 | 2.1 | 14 | 3.1 |
| Jul | 93° / 70° | 2.0 | 10.4 | 13.8 | 3.0 |
| Aug | 91° / 68° | 1.8 | 11 | 13.1 | 3.8 |
| Sep | 88° / 64° | 1.2 | 5.1 | 12.2 | 5.3 |
| Oct | 80° / 54° | 0.7 | 3.2 | 11.2 | 8.0 |
| Nov | 70° / 44° | 0.8 | 2.4 | 10.4 | 8.1 |
| Dec | 61° / 36° | 1.1 | 4.5 | 10 | 6.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 52% of the time across summer.
Chance of precipitation in Summer
Douglas gets around 4.1 in of rain over 24 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 5 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 54 min in early June to 12 h 42 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 7.3 kWh/m².
Is summer a good time to visit Douglas?
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 weaker month for outdoor sightseeing in Douglas. The water and warmth also suit a beach or pool day.
What to pack for Douglas in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Douglas sees daytime highs around 93°F and nights near 68°F. Pack light clothes and sun protection. Worth having: rain gear. About 24 days see rain.
UV index in Douglas in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Douglas peaks around June 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 5 | 5 | 8 | 10 | 10 | 12 | 12 | 12 | 10 | 7 | 5 | 4 |
| Level | Moderate | High | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | Moderate |
| Feb | 5 | High |
| Mar | 8 | Very high |
| Apr | 10 | Very high |
| May | 10 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 10 | Very high |
| Oct | 7 | Very high |
| Nov | 5 | High |
| Dec | 4 | Moderate |
Where is Douglas?
Douglas sits at 31.3°N, 109.5°W, 4,009 ft above sea level, in United States. The nearest listed city is Agua Prieta, 1.2 mi away.
Topography around Douglas
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Douglas.
Within 2 miles, the terrain around Douglas has only modest variations in elevation — a maximum elevation change of 246 ft around an average of 4,009 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,142 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,218 ft.
The land around Douglas is covered by artificial surfaces (50%) and shrubs (36%) within 2 miles, shrubs (72%) within 10 miles, and shrubs (64%) and grassland (26%) 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 Douglas (31.3446°, -109.5453°, elevation 4,009 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.