Patterson in Summer
In summer (June, July and August), Patterson sees average daytime highs around 90°F and overnight lows near 62°F, with 0.2 in of rain over about 1 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 84°F in early June to 90°F by late August. The sky is clear or mostly clear about 87% of the time across summer, and the air most often feels dry.
Summer is Patterson's 3rd-best season to visit on our travel score. For the whole year in context, see Patterson's year-round climate.
- Avg daytime high
- 90°F
- warmest season of the year
- Avg overnight low
- 62°F
- Rainfall
- 0.2 in
- 1 wet days
- Avg wind
- 5 mph
- Travel score
- 5.2
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Patterson in Summer
Over the season highs climb from about 84°F in early June to 90°F by late August.
A typical summer day in Patterson reaches about 90°F and drops to 62°F overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Patterson
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.
Patterson 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 | 57° / 42° | 3.3 | 8.8 | 9.7 | 4.2 |
| Feb | 60° / 44° | 3.2 | 8.9 | 10.6 | 5.0 |
| Mar | 65° / 46° | 2.6 | 8.9 | 11.7 | 6.2 |
| Apr | 71° / 49° | 1.3 | 5.1 | 12.9 | 7.6 |
| May | 79° / 55° | 0.7 | 3.1 | 14 | 8.1 |
| Jun | 87° / 60° | 0.2 | 1 | 14.5 | 6.2 |
| Jul | 92° / 64° | 0.0 | 0.2 | 14.3 | 4.4 |
| Aug | 91° / 63° | 0.1 | 0.2 | 13.4 | 4.9 |
| Sep | 86° / 60° | 0.1 | 0.8 | 12.3 | 6.7 |
| Oct | 77° / 54° | 0.8 | 2.4 | 11 | 8.6 |
| Nov | 65° / 46° | 1.5 | 5.5 | 10 | 6.6 |
| Dec | 57° / 41° | 2.8 | 8.2 | 9.5 | 4.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 87% of the time across summer.
Chance of precipitation in Summer
Patterson gets around 0.2 in of rain over 1 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 14 h 24 min in early June to 12 h 54 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 8.0 kWh/m².
Is summer a good time to visit Patterson?
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 Patterson for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Patterson in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Patterson sees daytime highs around 90°F and nights near 62°F. Pack light clothes and sun protection.
UV index in Patterson 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 Patterson peaks around June 21 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 4 | 4 | 7 | 8 | 10 | 10 | 10 | 6 | 5 | 2 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Extreme | Very high | Very high | High | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 4 | Moderate |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 10 | Extreme |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 6 | High |
| Oct | 5 | High |
| Nov | 2 | Moderate |
| Dec | 2 | Moderate |
Air quality in Patterson 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 Patterson is worst in August — around 34 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (June, 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) | 13 | 13 | 13 | 10 | 8 | 7 | 9 | 34 | 16 | 14 | 15 | 12 |
| Level | Moderate | Moderate | Moderate | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 13 | Moderate |
| Mar | 13 | Moderate |
| Apr | 10 | Good |
| May | 8 | Good |
| Jun | 7 | Good |
| Jul | 9 | Good |
| Aug | 34 | Moderate |
| Sep | 16 | Moderate |
| Oct | 14 | Moderate |
| Nov | 15 | Moderate |
| Dec | 12 | Good |
Where is Patterson?
Patterson sits at 37.5°N, 121.1°W, 102 ft above sea level, in United States. The nearest listed city is Ceres, 12 mi away.
Topography around Patterson
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Patterson.
Within 2 miles, the terrain around Patterson has only modest variations in elevation — a maximum elevation change of 108 ft around an average of 105 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 4,298 ft.
The land around Patterson is covered by cropland (32%), artificial surfaces (25%) and trees (23%) within 2 miles, grassland (41%), cropland (32%) and trees (21%) within 10 miles, and grassland (46%) and trees (24%) 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 Patterson (37.4716°, -121.1297°, elevation 102 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.