Coos County climate

Coos County Weather in May

NOAA 1991-2020 normals for Errol AP, 16 km from Coos County

Average highs run from 57°F on May 1 to 68°F on May 31, and lows from 33°F to 44°F. Normal precipitation for the month is 3.63 in.

May day by day

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

Normal daily high and low temperature at Coos County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
63°F
Average low
39°F
Precipitation
3.63 in
Snowfall
0.4 in
Record high
95°FMay 27, 2020
Record low
19°FMay 1, 2000
Chance of a freeze
98%
Daylight
14 h 15 min to 15 h 20 min
Cloud cover
70%
Humidity
81%
Dew point
44°F
Wind
4.7 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
May 157°F33°F84°F 200419°F 20004%
May 257°F33°F87°F 201021°F 20084%
May 358°F34°F86°F 200122°F 20004%
May 458°F34°F83°F 201520°F 20033%
May 559°F34°F79°F 202621°F 19973%
May 659°F35°F79°F 201322°F 20013%
May 760°F35°F84°F 201322°F 20013%
May 860°F36°F82°F 200723°F 20142%
May 960°F36°F85°F 200722°F 19972%
May 1061°F36°F86°F 200723°F 20232%
May 1161°F37°F81°F 200521°F 20102%
May 1262°F37°F86°F 202223°F 19992%
May 1362°F38°F90°F 202221°F 20102%
May 1462°F38°F92°F 202223°F 20051%
May 1563°F38°F85°F 200423°F 20131%
May 1663°F39°F82°F 202525°F 20001%
May 1764°F39°F89°F 201723°F 20031%
May 1864°F39°F91°F 201719°F 20231%
May 1964°F40°F87°F 202624°F 20021%
May 2065°F40°F87°F 201219°F 20021%
May 2165°F41°F91°F 202128°F 20051%
May 2265°F41°F91°F 202223°F 20021%
May 2365°F41°F83°F 201626°F 20021%
May 2466°F42°F87°F 200729°F 20151%
May 2566°F42°F90°F 201026°F 20021%
May 2666°F42°F91°F 202022°F 20090%
May 2767°F43°F95°F 202025°F 19970%
May 2867°F43°F90°F 201627°F 19970%
May 2967°F43°F89°F 202029°F 20080%
May 3067°F44°F87°F 201528°F 20080%
May 3168°F44°F90°F 201327°F 20040%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Coos County, in percent, and of at least 0.1 inch of snowfall.0123451102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 5:35 AM, sunset 7:50 PM
May 31
sunrise 5:03 AM, sunset 8:23 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00272846 (Errol AP), public domain. Records: NOAA GHCN-Daily, station USW00094700, 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.