Hartford weather in March: Hartford, Connecticut: normal highs, lows, rain and records for March

Hartford in March has a normal high of 47°F and a normal low of 28°F, a daily mean of 38°F, rising from 42°F on the 1st to 53°F by the 31st. Measurable precipitation falls on 11 days in a normal March, 3.81 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 8°C and low of −2°C, 97 mm of precipitation and 24 cm of snow in March.

  • NOAA stationHartford-Bradley International Airport
  • Station IDUSW00014740
  • Location41.94°N 72.68°W
  • Elevation190 ft (58 m)
  • From the center12 miles
  • Population122,129
  1. Jan 35° 19°
  2. Feb 39° 21°
  3. Mar 47° 28°
  4. Apr 61° 38°
  5. May 72° 48°
  6. Jun 80° 58°
  7. Jul 85° 63°
  8. Aug 83° 62°
  9. Sep 76° 54°
  10. Oct 64° 42°
  11. Nov 52° 33°
  12. Dec 41° 25°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Hartford in March?

The normal high is 47°F and the normal low 28°F, for a daily mean of 37.8°F. March is 8.2°F warmer than February and 11.7°F cooler than April. March is the 9th warmest month of the year in Hartford and the 8th wettest. Across the month the normal high rises 11°F, from 42°F on March 1 to 53°F on March 31. From one year to the next March's mean temperature typically moves about 3.9°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 34°F and 42°F.

Hartford in March, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 38%).

Normal high and low on five days of March, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
March 142°F24°F37%23%
March 844°F26°F37%23%
March 1547°F28°F37%23%
March 2249°F30°F37%23%
March 3153°F33°F38%24%
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
Hartford: NOAA 1991-2020 daily normals for each day of March
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
March 142°F24°F37%23%11 h 10 min
March 243°F24°F37%23%11 h 10 min
March 343°F25°F37%23%11 h 20 min
March 443°F25°F37%23%11 h 20 min
March 544°F25°F37%23%11 h 20 min
March 644°F25°F37%23%11 h 30 min
March 744°F26°F37%23%11 h 30 min
March 844°F26°F37%23%11 h 30 min
March 945°F26°F37%23%11 h 30 min
March 1045°F26°F37%23%11 h 40 min
March 1145°F27°F37%23%11 h 40 min
March 1246°F27°F37%23%11 h 40 min
March 1346°F27°F37%23%11 h 50 min
March 1446°F28°F37%23%11 h 50 min
March 1547°F28°F37%23%11 h 50 min
March 1647°F28°F37%23%11 h 50 min
March 1747°F28°F37%23%12 h
March 1848°F29°F37%23%12 h
March 1948°F29°F37%23%12 h
March 2049°F29°F37%23%12 h 10 min
March 2149°F30°F37%23%12 h 10 min
March 2249°F30°F37%23%12 h 10 min
March 2350°F30°F37%23%12 h 10 min
March 2450°F31°F37%23%12 h 20 min
March 2551°F31°F37%23%12 h 20 min
March 2651°F31°F37%23%12 h 20 min
March 2751°F31°F37%24%12 h 30 min
March 2852°F32°F37%24%12 h 30 min
March 2952°F32°F37%24%12 h 30 min
March 3053°F32°F38%24%12 h 30 min
March 3153°F33°F38%24%12 h 40 min
Normal high
47°FMarch average
Normal low
28°FMarch average
Precipitation
3.81 inmonth total
Days with precipitation
110.01 inch or more
Snowfall
9.4 inmonth total
Nights at 32°F or colder
21
Daylight
11 h 10 min to 12 h 40 minMarch 1 to March 31
Days at 70°F or more
1
Sunshine
69%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00014740; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Hartford in March?

On a given March day the chance of 0.01 inch or more is 37% on average, highest around March 31 (38%). In all, 3.81 in falls on 11 days of a normal March, 1 of them with an inch or more.

In a normal March in Hartford, 21 nights fall to freezing, 2 days stay below freezing all day and snowfall averages 9.4 inches.

Snow falls on 4 days in a normal March.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014740.

How humid and windy is Hartford in March?

At 3 p.m. the normal temperature is 52°F with 39% relative humidity and a dew point of 28°F; at 6 a.m. it is 36°F with 74% humidity. The wind averages 9.1 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.

A normal March day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.36°F28°F74%6.5 mph38%
9 a.m.43°F29°F56%9.3 mph36%
noon49°F28°F43%11.3 mph32%
3 p.m.52°F28°F39%12.6 mph–
6 p.m.48°F28°F45%10.8 mph35%
9 p.m.43°F29°F57%8.7 mph42%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00014740. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for March in Hartford?

The warmest March temperature on Hartford's official record (since 1905) is 89°F, on March 31, 1998; the coldest is −6°F, on March 19, 1967. The wettest March brought 9.21 in (1953); the snowiest, 43.3 inches (1956).

The March mean against the 1991-2020 normal of 37.8°F: 2021 40.9°F (+3.1), 2022 40.5°F (+2.7), 2023 40.2°F (+2.4), 2024 44.5°F (+6.7), 2025 42.6°F (+4.8), 2026 40.8°F (+3.0). 6 of 6 ran warmer than normal.

Hartford: March in recent years against the 1991-2020 normal
MarchMeanAgainst normalPrecip.
202140.9°F+3.1°F2.50 in
202240.5°F+2.7°F3.17 in
202340.2°F+2.4°F4.15 in
202444.5°F+6.7°F7.99 in
202542.6°F+4.8°F4.51 in
202640.8°F+3.0°F4.53 in

Source: records: ACIS, NWS threaded record BDLthr; recent months: ACIS, station USW00014740. Records and recent months use complete months only.

How does March in Hartford compare across Connecticut?

Across the 13 places PlainClimate covers in Connecticut, March normal highs run from 40°F in Norfolk to 49°F in Stamford; Hartford's is 47°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places