Lathrop in Summer

In summer (June, July and August), Lathrop sees average daytime highs around 90°F and overnight lows near 61°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 85°F in early June to 89°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 Lathrop's 3rd-best season to visit on our travel score. For the whole year in context, see Lathrop's year-round climate.

Avg daytime high
90°F
warmest season of the year
Avg overnight low
61°F
Rainfall
0.2 in
1 wet days
Avg wind
5 mph
Travel score
5.3
3rd-best season
Months
Jun · Jul · Aug

Temperature in Lathrop in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 85°F in early June to 89°F by late August.

A typical summer day in Lathrop reaches about 90°F and drops to 61°F overnight. The warmest of the three months is July, the coolest June.

60°80°100°JunJulAug

How summer really feels in Lathrop

Once humidity and wind are folded in, summer brings about 68 days that feel above 90°F and 0 that feel at or below 32°F.

Days feeling ≥ 90°F
68
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Lathrop 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.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan58° / 42°3.38.69.74.5
Feb62° / 44°3.08.510.55.5
Mar67° / 47°2.68.211.76.6
Apr73° / 50°1.34.812.97.8
May81° / 55°0.73147.8
Jun88° / 60°0.10.814.65.8
Jul92° / 62°0.0014.44.8
Aug90° / 61°0.00.113.55.3
Sep86° / 58°0.10.612.36.7
Oct78° / 53°0.82.4118.6
Nov66° / 46°1.65.2106.8
Dec58° / 41°2.97.99.44.6

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 87% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Lathrop gets around 0.2 in of rain over 1 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%JunJulAug

Wind in Summer

Winds average 5 mph across summer.

0246810JunJulAug

Sunrise & sunset in Summer

DaylightNight

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.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 8.0 kWh/m².

02468JunJulAug
Planning a trip in summer

Is summer a good time to visit Lathrop?

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.

5.3
Sightseeing
3rd-best month of the year
8.6
Beach & pool
1st-best month of the year

summer is a reasonable time to visit Lathrop for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Lathrop in Summer

From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In summer, Lathrop sees daytime highs around 90°F and nights near 61°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Lathrop in Summer

LowModerateHighVery highExtreme

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 Lathrop peaks around June 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJun 20UV 10Dec 14UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun10Extreme
Jul10Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Lathrop in Summer

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.

Air quality in Lathrop 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).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateAug 1832 µg/m³Jun 157 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun7Good
Jul9Good
Aug34Moderate
Sep16Moderate
Oct14Moderate
Nov15Moderate
Dec12Good
Location & terrain

Where is Lathrop?

Lathrop sits at 37.8°N, 121.3°W, 23 ft above sea level, in United States. The nearest listed city is Manteca, 3.7 mi away.

Topography around Lathrop

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Lathrop.

Within 2 miles, the terrain around Lathrop has only modest variations in elevation — a maximum elevation change of 72 ft around an average of 16 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 200 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,373 ft.

The land around Lathrop is covered by artificial surfaces (45%) and cropland (22%) within 2 miles, cropland (37%) and trees (22%) within 10 miles, and grassland (43%) and trees (24%) within 50 miles.

2 miles
72 ft
10 miles
200 ft
50 miles
4,373 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
Summer weather nearby: Manteca 3.7 mi · Stockton 9.3 mi · Tracy 9.9 mi · Ripon 9.9 mi · Riverbank 19 mi · Modesto 20 mi · Lodi 21 mi · Ceres 24 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 Lathrop (37.8227°, -121.2766°, elevation 23 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.