Hartford in Spring
In spring (March, April and May), Hartford sees average daytime highs around 58°F and overnight lows near 40°F, with 10.9 in of precipitation over about 32 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 43°F in early March to 73°F by late May. The sky is clear or mostly clear about 26% of the time across spring, and the air most often feels dry.
Spring is Hartford's 3rd-best season to visit on our travel score. For the whole year in context, see Hartford's year-round climate.
- Avg daytime high
- 58°F
- 3rd-warmest season
- Avg overnight low
- 40°F
- Precipitation
- 10.9 in
- 32 wet days
- Avg wind
- 7 mph
- Travel score
- 4.0
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Hartford in Spring
Over the season highs climb from about 43°F in early March to 73°F by late May.
A typical spring day in Hartford reaches about 58°F and drops to 40°F overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Hartford
Once humidity and wind are folded in, spring brings about 0 days that feel above 90°F and 38 that feel at or below 32°F.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Hartford 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 | 36° / 21° | 3.3 | 9.3 | 5.5 | 9.3 | 0.0 |
| Feb | 39° / 23° | 3.0 | 8.6 | 5 | 10.3 | 0.0 |
| Mar | 47° / 30° | 4.1 | 10.5 | 4 | 11.7 | 1.5 |
| Apr | 59° / 40° | 3.6 | 10.9 | 1 | 13.1 | 4.4 |
| May | 69° / 50° | 3.3 | 11 | 0 | 14.3 | 6.2 |
| Jun | 78° / 59° | 3.8 | 11.5 | 0 | 15 | 6.4 |
| Jul | 84° / 65° | 3.5 | 10.6 | 0 | 14.7 | 5.5 |
| Aug | 82° / 63° | 3.9 | 10.1 | 0 | 13.7 | 6.3 |
| Sep | 74° / 56° | 3.8 | 8.5 | 0 | 12.3 | 7.0 |
| Oct | 62° / 45° | 4.1 | 9.2 | 0.2 | 10.9 | 5.5 |
| Nov | 51° / 35° | 3.3 | 8.5 | 0.9 | 9.6 | 2.6 |
| Dec | 41° / 27° | 4.1 | 10.1 | 4.4 | 9 | 0.2 |
Cloud cover in Spring
The sky is clear or mostly clear about 26% of the time across spring.
Chance of precipitation in Spring
Hartford gets around 10.9 in of rain and snow over 32 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
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 7 mph across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 54 min in early March to 14 h 48 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 4.8 kWh/m².
Hazard calendar for Hartford
None of Hartford's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Hartford sits in the Atlantic hurricane belt; the season peaks August–October.
Is spring a good time to visit Hartford?
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 a reasonable time to visit Hartford for sightseeing.
What to pack for Hartford in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Hartford sees daytime highs around 58°F and nights near 40°F. Pack a warm layer. Worth having: rain gear and sun protection. About 32 days see rain.
UV index in Hartford in Spring
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 Hartford peaks around July 11 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 4 | 6 | 7 | 7 | 8 | 5 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | High | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 7 | Very high |
| Jun | 7 | Very high |
| Jul | 8 | Very high |
| Aug | 5 | High |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Air quality in Hartford 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 Hartford is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 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 | 11 | 12 | 12 | 13 | 14 | 15 | 13 | 11 | 9 | 7 | 8 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 11 | Good |
| Mar | 12 | Good |
| Apr | 12 | Good |
| May | 13 | Moderate |
| Jun | 14 | Moderate |
| Jul | 15 | Moderate |
| Aug | 13 | Moderate |
| Sep | 11 | Good |
| Oct | 9 | Good |
| Nov | 7 | Good |
| Dec | 8 | Good |
Where is Hartford?
Hartford sits at 41.8°N, 72.7°W, 59 ft above sea level, in United States. The nearest listed city is West Hartford, 3.1 mi away.
Topography around Hartford
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Hartford.
Within 2 miles, the terrain around Hartford has only modest variations in elevation — a maximum elevation change of 223 ft around an average of 69 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 968 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,585 ft.
The land around Hartford is covered by artificial surfaces (51%) and trees (35%) within 2 miles, trees (68%) within 10 miles, and trees (80%) 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 Hartford (41.7637°, -72.6851°, elevation 59 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.