Climate averages 1991–2020
Suffolk weather
in April.
A mild, moderately wet month: the 7th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Suffolk: daytime highs average 20.6°C and nights cool to about 10.1°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 86 mm of rain on roughly 10 days, which makes April a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 07 min on an average April day.
The nearest other city in this atlas is Portsmouth Heights (22 km away). In April its highs average 20.2°C, about as warm as Suffolk, with 84 mm of rain.
Among the 498 cities listed in the United States, Suffolk ranks joint 226th of 498 for the warmest April highs and joint 248th of 498 for the driest April (rainfall, lowest first). The mean April high of those 498 cities is 19.4°C; Suffolk is 1.2°C warmer than that mean.
From April to May, average highs rise by 4.2°C to 24.8°C, and monthly rainfall rises from 86 mm to 97 mm.
The annual picture
April in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Suffolk climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.5°C1.1°C | 1.1°C | 88 | 9.3 | 10.010 h |
| February | 11.3°C1.9°C | 1.9°C | 78 | 8.8 | 10.811 h |
| March | 15.2°C5.1°C | 5.1°C | 100 | 10.6 | 11.912 h |
| April, selected | 20.6°C10.1°C | 10.1°C | 86 | 9.5 | 13.113 h |
| May | 24.8°C15.0°C | 15.0°C | 97 | 10.8 | 14.114 h |
| June | 28.8°C19.7°C | 19.7°C | 103 | 11.7 | 14.615 h |
| July | 30.8°C22.2°C | 22.2°C | 128 | 14.8 | 14.414 h |
| August | 29.7°C21.5°C | 21.5°C | 120 | 13.1 | 13.614 h |
| September | 26.6°C18.8°C | 18.8°C | 123 | 10.9 | 12.512 h |
| October | 21.4°C12.9°C | 12.9°C | 93 | 7.6 | 11.311 h |
| November | 15.7°C7.2°C | 7.2°C | 87 | 8.4 | 10.210 h |
| December | 11.5°C3.3°C | 3.3°C | 89 | 9.5 | 9.710 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
April in nearby cities
- Portsmouth Heights in AprilUnited States · 22 kmHigh 20.2°C · Low 9.9°C · 84 mm rain
- Norfolk in AprilUnited States · 30 kmHigh 19.8°C · Low 9.9°C · 84 mm rain
- Newport News in AprilUnited States · 31 kmHigh 19.9°C · Low 10.0°C · 83 mm rain
- East Hampton in AprilUnited States · 41 kmHigh 19.0°C · Low 10.2°C · 82 mm rain
- Virginia Beach in AprilUnited States · 56 kmHigh 17.6°C · Low 10.7°C · 84 mm rain
- Richmond in AprilUnited States · 120 kmHigh 19.9°C · Low 8.9°C · 82 mm rain
- Greenville in AprilUnited States · 143 kmHigh 21.7°C · Low 10.9°C · 80 mm rain
- Raleigh in AprilUnited States · 213 kmHigh 21.4°C · Low 10.5°C · 90 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Suffolk) is explained once on the Suffolk year overview and on the Sources, method and limits page.