Merrimac climate

Merrimac Weather in April

NOAA 1991-2020 normals for Piedmont Rsch Stn, 24.8 km from Merrimac

Average highs run from 62°F on April 1 to 71°F on April 30, and lows from 39°F to 49°F. Normal precipitation for the month is 3.38 in over about 11 wet days.

April day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Merrimac, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
67°F
Average low
44°F
Precipitation
3.38 in
Snowfall
0.1 in
Record high
94°FApr 18, 2002
Record low
21°FApr 5, 2013
Chance of a freeze
71%
Daylight
12 h 39 min to 13 h 47 min
Cloud cover
62%
Humidity
75%
Dew point
45°F
Wind
5.1 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Apr 162°F39°F83°F 202626°F 200333%2%
Apr 262°F40°F84°F 202624°F 202133%2%
Apr 362°F40°F83°F 200324°F 202134%1%
Apr 463°F40°F84°F 200324°F 202134%1%
Apr 563°F41°F86°F 202621°F 201334%1%
Apr 664°F41°F85°F 202325°F 201634%1%
Apr 764°F41°F90°F 201023°F 200234%1%
Apr 864°F42°F90°F 201023°F 200234%1%
Apr 965°F42°F87°F 199924°F 202534%1%
Apr 1065°F42°F90°F 200125°F 200735%1%
Apr 1166°F43°F90°F 201327°F 200735%1%
Apr 1266°F43°F88°F 199632°F 202235%1%
Apr 1366°F43°F84°F 202331°F 200935%0%
Apr 1467°F44°F86°F 201832°F 201635%0%
Apr 1567°F44°F85°F 202633°F 199735%0%
Apr 1667°F44°F91°F 202629°F 201435%0%
Apr 1768°F45°F91°F 200228°F 201435%0%
Apr 1868°F45°F94°F 200230°F 201835%0%
Apr 1968°F46°F87°F 200229°F 200136%0%
Apr 2069°F46°F90°F 200428°F 202236%0%
Apr 2169°F46°F88°F 202327°F 202636%0%
Apr 2269°F47°F87°F 202331°F 201336%0%
Apr 2369°F47°F88°F 199931°F 202136%0%
Apr 2470°F47°F87°F 200131°F 202136%0%
Apr 2570°F48°F87°F 202232°F 201236%0%
Apr 2670°F48°F92°F 200931°F 202337%0%
Apr 2770°F48°F90°F 200934°F 200137%0%
Apr 2871°F49°F90°F 200930°F 202237%0%
Apr 2971°F49°F89°F 201730°F 202237%0%
Apr 3071°F49°F94°F 201732°F 201037%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Merrimac, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

April 1
sunrise 6:57 AM, sunset 7:36 PM
April 30
sunrise 6:16 AM, sunset 8:03 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00446712 (Piedmont Rsch Stn), public domain. Records: NOAA GHCN-Daily, station USC00447985, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.