St. Johns in Spring

In spring (March, April and May), St. Johns sees average daytime highs around 77°F and overnight lows near 62°F, with 7.4 in of rain over about 23 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.

Over the season highs climb from about 70°F in early March to 85°F by late May. The sky is clear or mostly clear about 42% of the time across spring, and the air most often feels dry.

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

Avg daytime high: 77°F; 3rd-warmest season
Avg overnight low: 62°F
Rainfall: 7.4 in; 23 wet days
Avg wind: 8 mph
Travel score: 7.0; best season of the year
Months: Mar · Apr · May

← Winter St. Johns year-round climate Summer →

Spring Summer Fall Winter

Temperature in St. Johns in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 70°F in early March to 85°F by late May.

A typical spring day in St. Johns reaches about 77°F and drops to 62°F overnight. The warmest of the three months is May, the coolest March.

How spring really feels in St. Johns

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.

St. Johns 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	65° / 49°	2.5	7.7	10.3	6.4
Feb	67° / 52°	2.5	6.9	10.9	6.6
Mar	72° / 56°	2.8	7.3	11.8	7.2
Apr	77° / 62°	2.1	6.7	12.7	7.5
May	83° / 69°	2.5	8.7	13.5	6.3
Jun	86° / 74°	5.0	17.6	13.9	4.0
Jul	88° / 76°	4.8	20.1	13.7	3.4
Aug	87° / 76°	5.7	21.2	13.1	3.4
Sep	84° / 74°	5.5	17.2	12.2	4.5
Oct	79° / 67°	3.2	9.8	11.3	6.8
Nov	72° / 58°	1.7	6.2	10.5	7.4
Dec	67° / 53°	2.2	6.7	10.1	6.7

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time across spring.

Chance of precipitation in Spring

Any precipitation

St. Johns gets around 7.4 in of rain over 23 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 8 mph across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 18 min in early March to 13 h 48 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 5.8 kWh/m².

Planning a trip in spring

Hazard calendar for St. Johns

In seasonPeak

In spring, St. Johns overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

St. Johns sits in the Atlantic hurricane belt; the season peaks August–October.

St. Johns's rainy season runs June–October, when most of the year's rain falls.

Atlantic hurricane

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is spring a good time to visit St. Johns?

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.

7.0

Sightseeing

1st-best month of the year

6.3

Beach & pool

1st-best month of the year

spring is one of the better times to visit St. Johns for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for St. Johns in Spring

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

In spring, St. Johns sees daytime highs around 77°F and nights near 62°F. Pack light clothes and sun protection. Worth having: rain gear. About 23 days see rain.

light clothessun protectionrain gear

Sea temperature near St. Johns in Spring

The nearest coast averages about 69°F across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 23 mi away) is warmest in August at about 82°F and coldest in February near 61°F.

It's comfortable for a long swim from Apr 13 to Nov 28 — about 7.6 months when the water holds above 68°F.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°F)	62	61	63	69	75	80	82	82	82	78	70	65
Comfort	Cool	Cool	Cool	Refreshing	Refreshing	Warm	Warm	Tropical	Warm	Warm	Refreshing	Cool

	Sea temperature (°F)	Comfort
Jan	62	Cool
Feb	61	Cool
Mar	63	Cool
Apr	69	Refreshing
May	75	Refreshing
Jun	80	Warm
Jul	82	Warm
Aug	82	Tropical
Sep	82	Warm
Oct	78	Warm
Nov	70	Refreshing
Dec	65	Cool

UV index in St. Johns in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in St. Johns peaks around June 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	4	6	7	7	9	11	10	10	8	6	5	4
Level	Moderate	High	Very high	High	Very high	Extreme	Extreme	Very high	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	4	Moderate
Feb	6	High
Mar	7	Very high
Apr	7	High
May	9	Very high
Jun	11	Extreme
Jul	10	Extreme
Aug	10	Very high
Sep	8	Very high
Oct	6	High
Nov	5	Moderate
Dec	4	Moderate

Air quality in St. Johns 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 St. Johns is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.4× 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)	9	13	12	13	14	16	18	16	12	8	8	7
Level	Good	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	9	Good
Feb	13	Moderate
Mar	12	Moderate
Apr	13	Moderate
May	14	Moderate
Jun	16	Moderate
Jul	18	Moderate
Aug	16	Moderate
Sep	12	Good
Oct	8	Good
Nov	8	Good
Dec	7	Good

Location & terrain

Where is St. Johns?

St. Johns sits at 30.1°N, 81.5°W, 33 ft above sea level, in United States. The nearest listed city is Fruit Cove, 6.2 mi away.

Topography around St. Johns

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

Within 2 miles, the terrain around St. Johns has only modest variations in elevation — a maximum elevation change of 118 ft around an average of 39 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 144 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 308 ft.

The land around St. Johns is covered by trees (65%) within 2 miles, trees (62%) within 10 miles, and trees (59%) and water (28%) within 50 miles.

2 miles

118 ft

trees 65%

10 miles

144 ft

trees 62%

50 miles

308 ft

trees 59%

treesgrasslandcroplandartificial surfaceswaterwetland

← Winter St. Johns year-round climate Summer →

Spring weather nearby: Fruit Cove 6.2 mi · Fleming Island 11 mi · Palm Valley 12 mi · Lakeside 14 mi · Ponte Vedra Beach 15 mi · Jacksonville Beach 17 mi · Oakleaf Plantation 18 mi · Jacksonville 19 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 St. Johns (30.0815°, -81.5477°, elevation 33 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.