Patterson in Spring

In spring (March, April and May), Patterson sees average daytime highs around 72°F and overnight lows near 50°F, with 4.7 in of rain over about 17 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.

Over the season highs climb from about 62°F in early March to 83°F by late May. The sky is clear or mostly clear about 48% of the time across spring, and the air most often feels dry.

Spring is Patterson's best season of the year to visit on our travel score. For the whole year in context, see Patterson's year-round climate.

Avg daytime high: 72°F; 3rd-warmest season
Avg overnight low: 50°F
Rainfall: 4.7 in; 17 wet days
Avg wind: 5 mph
Travel score: 7.3; best season of the year
Months: Mar · Apr · May

← Winter Patterson year-round climate Summer →

Spring Summer Fall Winter

Temperature in Patterson in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 62°F in early March to 83°F by late May.

A typical spring day in Patterson reaches about 72°F and drops to 50°F overnight. The warmest of the three months is May, the coolest March.

How spring really feels in Patterson

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

Days feeling ≥ 90°F

heat index over the day's high

Days feeling ≤ 32°F

wind chill below the day's low

spring sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Patterson weather by month

How the three spring months (March, April and May) 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 Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time across spring.

Chance of precipitation in Spring

Any precipitation

Patterson gets around 4.7 in of rain over 17 wet days across spring. The line is the day-by-day chance of measurable precipitation.

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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

Wind in Spring

Winds average 5 mph across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 06 min in early March to 14 h 24 min by late May. The lit band spans sunrise to sunset each day.

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 6.2 kWh/m².

Planning a trip in spring

Is spring a good time to visit Patterson?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

7.3

Sightseeing

1st-best month of the year

5.1

Beach & pool

3rd-best month of the year

spring is one of the better times to visit Patterson for general sightseeing.

What to pack for Patterson in Spring

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

In spring, Patterson sees daytime highs around 72°F and nights near 50°F. Pack sun protection. Worth having: light clothes, a warm layer and rain gear. About 17 days see rain.

sun protectionlight clothesa warm layerrain gear

UV index in Patterson in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 6 — enough to warrant sun protection. 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 Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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

Location & terrain

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.

2 miles

108 ft

cropland 32%

10 miles

2,142 ft

grassland 41%

50 miles

4,298 ft

grassland 46%

treesgrasslandcroplandartificial surfacesbare terrainwater

← Winter Patterson year-round climate Summer →

Spring weather nearby: Ceres 12 mi · Modesto 14 mi · Turlock 16 mi · Ripon 19 mi · Riverbank 21 mi · Manteca 23 mi · Tracy 25 mi · Lathrop 25 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

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.