Colton in Spring

In spring (March, April and May), Colton sees average daytime highs around 69°F and overnight lows near 49°F, with 3.8 in of precipitation over about 13 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 77°F by late May. The sky is clear or mostly clear about 57% of the time across spring, and the air most often feels dry.

Spring is Colton's 2nd-best season to visit on our travel score. For the whole year in context, see Colton's year-round climate.

Avg daytime high: 69°F; 3rd-warmest season
Avg overnight low: 49°F
Precipitation: 3.8 in; 13 wet days
Avg wind: 4 mph
Travel score: 7.6; 2nd-best season
Months: Mar · Apr · May

← Winter Colton year-round climate Summer →

Spring Summer Fall Winter

Temperature in Colton in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 62°F in early March to 77°F by late May.

A typical spring day in Colton reaches about 69°F and drops to 49°F overnight. The warmest of the three months is May, the coolest March.

Colton 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	Snow days	Daylight (hours)	Travel score
Jan	60° / 41°	2.9	6.1	0.6	10	5.5
Feb	61° / 42°	3.6	6.8	1.1	10.7	5.5
Mar	64° / 45°	2.2	6.2	0.8	11.7	6.6
Apr	69° / 48°	1.1	3.9	0.3	12.8	7.7
May	74° / 53°	0.5	2.6	0	13.7	8.6
Jun	82° / 59°	0.1	0.7	0	14.2	8.2
Jul	87° / 65°	0.5	2.6	0	14	6.0
Aug	89° / 66°	0.4	2.8	0	13.3	5.5
Sep	85° / 62°	0.3	1.8	0	12.2	7.0
Oct	77° / 54°	0.7	2.4	0	11.1	8.7
Nov	67° / 46°	1.0	3.1	0.2	10.2	7.7
Dec	60° / 41°	2.2	5	0.4	9.8	5.6

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time across spring.

Chance of precipitation in Spring

Any precipitationSnow

Colton gets around 3.8 in of rain and snow over 13 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 4 mph across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 12 min in early March to 14 h 06 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 6.6 kWh/m².

Planning a trip in spring

Is spring a good time to visit Colton?

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.

7.6

Sightseeing

2nd-best month of the year

4.4

Beach & pool

3rd-best month of the year

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

What to pack for Colton in Spring

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

In spring, Colton sees daytime highs around 69°F and nights near 49°F. Pack sun protection. Worth having: light clothes and a warm layer. About 13 days see rain.

sun protectionlight clothesa warm layer

UV index in Colton in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring 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 Colton peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	4	5	5	8	8	11	11	11	8	6	4	3
Level	Moderate	Moderate	High	Very high	Very high	Extreme	Extreme	Extreme	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	4	Moderate
Feb	5	Moderate
Mar	5	High
Apr	8	Very high
May	8	Very high
Jun	11	Extreme
Jul	11	Extreme
Aug	11	Extreme
Sep	8	Very high
Oct	6	High
Nov	4	Moderate
Dec	3	Moderate

Air quality in Colton 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 Colton is worst in September — around 40 µg/m³ PM2.5 (poor), about 5.4× the cleanest month (December, 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)	8	9	11	10	8	19	12	20	40	10	8	7
Level	Good	Good	Good	Good	Good	Moderate	Moderate	Moderate	Poor	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	8	Good
Feb	9	Good
Mar	11	Good
Apr	10	Good
May	8	Good
Jun	19	Moderate
Jul	12	Moderate
Aug	20	Moderate
Sep	40	Poor
Oct	10	Good
Nov	8	Good
Dec	7	Good

Location & terrain

Where is Colton?

Colton sits at 34.1°N, 117.3°W, 1,004 ft above sea level, in United States. The nearest listed city is San Bernardino, 2.5 mi away.

Topography around Colton

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

Within 2 miles, the terrain around Colton has only modest variations in elevation — a maximum elevation change of 285 ft around an average of 1,007 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,665 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,424 ft.

The land around Colton is covered by artificial surfaces (72%) within 2 miles, artificial surfaces (50%) within 10 miles, and shrubs (28%) and artificial surfaces (20%) within 50 miles.

2 miles

285 ft

artificial surfaces 72%

10 miles

3,665 ft

artificial surfaces 50%

50 miles

11,424 ft

shrubs 28%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← Winter Colton year-round climate Summer →

Spring weather nearby: San Bernardino 2.5 mi · Loma Linda 3.7 mi · Rialto 3.7 mi · Bloomington 5.0 mi · Fontana 6.8 mi · Highland 6.8 mi · Rubidoux 7.5 mi · Redlands 7.5 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 Colton (34.0739°, -117.3136°, elevation 1,004 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.