St. Petersburg in Spring
In spring (March, April and May), St. Petersburg sees average daytime highs around 75°F and overnight lows near 68°F, with 6.1 in of rain over about 18 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Over the season highs climb from about 68°F in early March to 81°F by late May. The sky is clear or mostly clear about 57% of the time across spring, and the air most often feels muggy.
Spring is St. Petersburg's best season of the year to visit on our travel score. For the whole year in context, see St. Petersburg's year-round climate.
- Avg daytime high
- 75°F
- 3rd-warmest season
- Avg overnight low
- 68°F
- Rainfall
- 6.1 in
- 18 wet days
- Avg wind
- 11 mph
- Travel score
- 7.6
- best season of the year
- Months
- Mar · Apr · May
Temperature in St. Petersburg in Spring
Over the season highs climb from about 68°F in early March to 81°F by late May.
A typical spring day in St. Petersburg reaches about 75°F and drops to 68°F overnight. The warmest of the three months is May, the coolest March.
How spring really feels in St. Petersburg
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.
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. Petersburg 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° / 58° | 2.5 | 6.3 | 10.4 | 6.7 |
| Feb | 66° / 59° | 1.9 | 5.8 | 11 | 6.9 |
| Mar | 70° / 63° | 2.2 | 6 | 11.8 | 7.4 |
| Apr | 75° / 68° | 1.7 | 5.1 | 12.6 | 8.0 |
| May | 80° / 74° | 2.1 | 6.7 | 13.4 | 7.5 |
| Jun | 83° / 78° | 5.3 | 16.2 | 13.7 | 5.1 |
| Jul | 84° / 80° | 5.3 | 20 | 13.6 | 4.2 |
| Aug | 85° / 80° | 5.7 | 21.2 | 13 | 4.0 |
| Sep | 84° / 78° | 5.5 | 15.9 | 12.2 | 4.9 |
| Oct | 80° / 73° | 2.5 | 7.1 | 11.3 | 7.3 |
| Nov | 73° / 66° | 1.6 | 4.2 | 10.6 | 8.0 |
| Dec | 68° / 61° | 2.1 | 5.6 | 10.3 | 7.2 |
Cloud cover in Spring
The sky is clear or mostly clear about 57% of the time across spring.
Chance of precipitation in Spring
St. Petersburg gets around 6.1 in of rain over 18 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 11 mph across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 24 min in early March to 13 h 36 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.1 kWh/m².
Hazard calendar for St. Petersburg
None of St. Petersburg's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
St. Petersburg sits in the Atlantic hurricane belt; the season peaks August–October.
St. Petersburg's rainy season runs June–September, when most of the year's rain falls.
Is spring a good time to visit St. Petersburg?
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.
spring is one of the better times to visit St. Petersburg for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for St. Petersburg in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, St. Petersburg sees daytime highs around 75°F and nights near 68°F. Pack sun protection. Worth having: light clothes. About 18 days see rain.
Sea temperature near St. Petersburg in Spring
The nearest coast averages about 73°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 11 mi away) is warmest in August at about 86°F and coldest in January near 65°F.
It's comfortable for a long swim from Mar 15 to Dec 20 — about 9.2 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 65 | 65 | 68 | 73 | 79 | 83 | 86 | 86 | 85 | 80 | 73 | 69 |
| Comfort | Cool | Cool | Refreshing | Refreshing | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Refreshing | Refreshing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 65 | Cool |
| Feb | 65 | Cool |
| Mar | 68 | Refreshing |
| Apr | 73 | Refreshing |
| May | 79 | Warm |
| Jun | 83 | Tropical |
| Jul | 86 | Tropical |
| Aug | 86 | Tropical |
| Sep | 85 | Tropical |
| Oct | 80 | Warm |
| Nov | 73 | Refreshing |
| Dec | 69 | Refreshing |
UV index in St. Petersburg in Spring
Clear-sky midday UV across spring averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in St. Petersburg peaks around July 13 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) | 5 | 7 | 9 | 9 | 10 | 11 | 11 | 10 | 9 | 7 | 6 | 4 |
| Level | Moderate | High | Very high | Very high | Very high | Extreme | Extreme | Very high | Very high | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | Moderate |
| Feb | 7 | High |
| Mar | 9 | Very high |
| Apr | 9 | Very high |
| May | 10 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Very high |
| Sep | 9 | Very high |
| Oct | 7 | Very high |
| Nov | 6 | High |
| Dec | 4 | Moderate |
Air quality in St. Petersburg in Spring
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. Petersburg is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 10 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) | 10 | 11 | 11 | 11 | 12 | 16 | 19 | 18 | 13 | 10 | 10 | 10 |
| Level | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 11 | Good |
| Mar | 11 | Good |
| Apr | 11 | Good |
| May | 12 | Good |
| Jun | 16 | Moderate |
| Jul | 19 | Moderate |
| Aug | 18 | Moderate |
| Sep | 13 | Moderate |
| Oct | 10 | Good |
| Nov | 10 | Good |
| Dec | 10 | Good |
Where is St. Petersburg?
St. Petersburg sits at 27.8°N, 82.7°W, 43 ft above sea level, in United States. The nearest listed city is West and East Lealman, 3.7 mi away.
Topography around St. Petersburg
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of St. Petersburg.
Within 2 miles, the terrain around St. Petersburg has only modest variations in elevation — a maximum elevation change of 85 ft around an average of 49 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 102 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 377 ft.
The land around St. Petersburg is covered by artificial surfaces (61%) and trees (32%) within 2 miles, water (60%) and artificial surfaces (22%) within 10 miles, and water (42%) and trees (31%) 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 St. Petersburg (27.7709°, -82.6793°, elevation 43 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.