Beaver Dam in Summer
In summer (June, July and August), Beaver Dam sees average daytime highs around 78°F and overnight lows near 60°F, with 10.8 in of rain over about 32 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Over the season highs climb from about 73°F in early June to 77°F by late August. The sky is clear or mostly clear about 33% of the time across summer, and the air most often feels dry.
Summer is Beaver Dam's best season of the year to visit on our travel score. For the whole year in context, see Beaver Dam's year-round climate.
- Avg daytime high
- 78°F
- warmest season of the year
- Avg overnight low
- 60°F
- Rainfall
- 10.8 in
- 32 wet days
- Avg wind
- 7 mph
- Travel score
- 6.6
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Beaver Dam in Summer
Over the season highs climb from about 73°F in early June to 77°F by late August.
A typical summer day in Beaver Dam reaches about 78°F and drops to 60°F overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Beaver Dam
Once humidity and wind are folded in, summer brings about 0 days that feel above 90°F and 0 that feel at or below 32°F.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Beaver Dam 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 | 26° / 12° | 1.6 | 7.8 | 6.4 | 9.1 | 0.0 |
| Feb | 30° / 15° | 1.5 | 6.6 | 5.7 | 10.2 | 0.0 |
| Mar | 42° / 26° | 2.3 | 9 | 4 | 11.6 | 0.7 |
| Apr | 55° / 37° | 3.7 | 12 | 2.1 | 13.2 | 3.4 |
| May | 67° / 48° | 3.7 | 11.4 | 0.1 | 14.5 | 5.9 |
| Jun | 77° / 58° | 4.0 | 11.3 | 0 | 15.2 | 6.5 |
| Jul | 80° / 62° | 3.3 | 10.1 | 0 | 14.9 | 6.5 |
| Aug | 78° / 60° | 3.6 | 10.6 | 0 | 13.8 | 6.7 |
| Sep | 71° / 53° | 2.9 | 9.1 | 0 | 12.3 | 6.8 |
| Oct | 58° / 41° | 2.9 | 9.1 | 0.4 | 10.8 | 4.4 |
| Nov | 44° / 30° | 2.1 | 8 | 2.2 | 9.5 | 0.8 |
| Dec | 31° / 19° | 1.8 | 7.4 | 5.5 | 8.8 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 33% of the time across summer.
Chance of precipitation in Summer
Beaver Dam gets around 10.8 in of rain over 32 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 7 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 hours in early June to 13 h 06 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 Beaver Dam?
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 Beaver Dam for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Beaver Dam in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Beaver Dam sees daytime highs around 78°F and nights near 60°F. Pack sun protection. Worth having: light clothes and rain gear. About 32 days see rain.
UV index in Beaver Dam in Summer
Clear-sky midday UV across summer averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Beaver Dam peaks around June 18 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) | 2 | 2 | 4 | 6 | 8 | 9 | 8 | 7 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | Very high |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Beaver Dam 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 Beaver Dam is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 8 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) | 10 | 12 | 13 | 12 | 13 | 14 | 15 | 14 | 11 | 8 | 8 | 9 |
| Level | Good | Moderate | Moderate | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 12 | Moderate |
| Mar | 13 | Moderate |
| Apr | 12 | Good |
| May | 13 | Moderate |
| Jun | 14 | Moderate |
| Jul | 15 | Moderate |
| Aug | 14 | Moderate |
| Sep | 11 | Good |
| Oct | 8 | Good |
| Nov | 8 | Good |
| Dec | 9 | Good |
Where is Beaver Dam?
Beaver Dam sits at 43.5°N, 88.8°W, 879 ft above sea level, in United States. The nearest listed city is Watertown, 19 mi away.
Topography around Beaver Dam
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Beaver Dam.
Within 2 miles, the terrain around Beaver Dam has only modest variations in elevation — a maximum elevation change of 135 ft around an average of 879 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 249 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,050 ft.
The land around Beaver Dam is covered by water (23%), grassland (21%) and artificial surfaces (20%) within 2 miles, cropland (63%) within 10 miles, and cropland (44%) and trees (30%) 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 Beaver Dam (43.4578°, -88.8373°, elevation 879 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.