Keizer in Summer
In summer (June, July and August), Keizer sees average daytime highs around 80°F and overnight lows near 56°F, with 1.9 in of rain over about 10 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 71°F in early June to 81°F by late August. The sky is clear or mostly clear about 52% of the time across summer, and the air most often feels dry.
Summer is Keizer's best season of the year to visit on our travel score. For the whole year in context, see Keizer's year-round climate.
- Avg daytime high
- 80°F
- warmest season of the year
- Avg overnight low
- 56°F
- Rainfall
- 1.9 in
- 10 wet days
- Avg wind
- 5 mph
- Travel score
- 7.3
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Keizer in Summer
Over the season highs climb from about 71°F in early June to 81°F by late August.
A typical summer day in Keizer reaches about 80°F and drops to 56°F overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Keizer
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.
Keizer 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 | 48° / 37° | 6.1 | 15.9 | 0.7 | 9 | 1.5 |
| Feb | 52° / 38° | 4.6 | 13.7 | 0.8 | 10.1 | 2.3 |
| Mar | 56° / 40° | 5.1 | 15.7 | 0.4 | 11.6 | 3.2 |
| Apr | 61° / 43° | 3.6 | 14.3 | 0 | 13.2 | 4.3 |
| May | 68° / 48° | 2.2 | 9 | 0 | 14.6 | 6.3 |
| Jun | 74° / 53° | 1.2 | 5.9 | 0 | 15.4 | 7.4 |
| Jul | 83° / 57° | 0.3 | 1.9 | 0 | 15.1 | 7.3 |
| Aug | 83° / 57° | 0.4 | 2 | 0 | 13.9 | 7.2 |
| Sep | 77° / 53° | 1.2 | 4.8 | 0 | 12.3 | 7.9 |
| Oct | 64° / 46° | 3.4 | 10.3 | 0 | 10.7 | 5.7 |
| Nov | 53° / 41° | 6.0 | 15.9 | 0.1 | 9.3 | 2.6 |
| Dec | 47° / 37° | 7.1 | 16.8 | 0.6 | 8.6 | 1.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 52% of the time across summer.
Chance of precipitation in Summer
Keizer gets around 1.9 in of rain over 10 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 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 6.5 kWh/m².
Hazard calendar for Keizer
None of Keizer's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Keizer's rainy season runs October–April, when most of the year's rain falls.
Is summer a good time to visit Keizer?
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 one of the better times to visit Keizer for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Keizer in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Keizer sees daytime highs around 80°F and nights near 56°F. Pack light clothes and sun protection. About 10 days see rain.
UV index in Keizer 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 Keizer peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 | 8 | 7 | 8 | 7 | 5 | 4 | 1 | 1 |
| Level | Low | Low | Moderate | High | Very high | High | Very high | Very high | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 8 | Very high |
| Jun | 7 | High |
| Jul | 8 | Very high |
| Aug | 7 | Very high |
| Sep | 5 | Moderate |
| Oct | 4 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Keizer 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 Keizer is worst in September — around 34 µg/m³ PM2.5 (moderate), about 5.1× the cleanest month (January, 7 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) | 7 | 8 | 11 | 11 | 9 | 8 | 7 | 14 | 34 | 11 | 10 | 8 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 8 | Good |
| Mar | 11 | Good |
| Apr | 11 | Good |
| May | 9 | Good |
| Jun | 8 | Good |
| Jul | 7 | Good |
| Aug | 14 | Moderate |
| Sep | 34 | Moderate |
| Oct | 11 | Good |
| Nov | 10 | Good |
| Dec | 8 | Good |
Where is Keizer?
Keizer sits at 45.0°N, 123.0°W, 138 ft above sea level, in United States. The nearest listed city is Hayesville, 1.9 mi away.
Topography around Keizer
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Keizer.
Within 2 miles, the terrain around Keizer has only modest variations in elevation — a maximum elevation change of 108 ft around an average of 144 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,079 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,492 ft.
The land around Keizer is covered by trees (39%) and artificial surfaces (36%) within 2 miles, trees (37%), cropland (31%) and grassland (21%) 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 Keizer (44.9901°, -123.0262°, elevation 138 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.