Dunstable climate

Dunstable Weather in May

NOAA 1991-2020 normals for Nashua Cwsu, 6.6 km from Dunstable

Average highs run from 65°F on May 1 to 73°F on May 31, and lows from 41°F to 51°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 Dunstable, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
69°F
Average low
46°F
Precipitation
3.63 in
Record high
100°FMay 22, 1911
Record low
20°FMay 20, 1936
Chance of a freeze
41%
Days of 90°F or more
2.0
Daylight
14 h 06 min to 15 h 06 min
Cloud cover
65%
Humidity
79%
Dew point
48°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
May 165°F41°F91°F 189927°F 1892
May 266°F41°F87°F 192626°F 1927
May 366°F42°F91°F 201023°F 1927
May 466°F42°F92°F 194425°F 1946
May 567°F42°F93°F 194922°F 1966
May 667°F43°F88°F 191326°F 1961
May 767°F43°F92°F 193027°F 1968
May 867°F43°F94°F 193622°F 1926
May 968°F44°F95°F 188922°F 1956
May 1068°F44°F93°F 188921°F 1947
May 1168°F45°F92°F 191123°F 19000%
May 1269°F45°F93°F 191126°F 19260%
May 1369°F45°F87°F 194728°F 19620%
May 1469°F46°F89°F 196126°F 19510%
May 1569°F46°F94°F 190026°F 19470%
May 1670°F46°F93°F 193225°F 19390%
May 1770°F47°F90°F 195129°F 19520%
May 1870°F47°F94°F 188926°F 19590%
May 1970°F47°F96°F 196226°F 19440%
May 2070°F48°F96°F 202620°F 19360%
May 2171°F48°F92°F 191128°F 19360%
May 2271°F48°F100°F 191127°F 19360%
May 2371°F49°F94°F 202228°F 19350%
May 2471°F49°F91°F 196429°F 19320%
May 2572°F49°F91°F 193224°F 19560%
May 2672°F50°F94°F 191428°F 19720%
May 2772°F50°F97°F 191429°F 19690%
May 2873°F50°F93°F 202032°F 19680%
May 2973°F51°F95°F 201630°F 19070%
May 3073°F51°F93°F 192932°F 19490%
May 3173°F51°F95°F 194427°F 19610%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Dunstable, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 5:40 AM, sunset 7:46 PM
May 31
sunrise 5:11 AM, sunset 8:17 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00275703 (Nashua Cwsu), public domain. Records: NOAA GHCN-Daily, station USC00275712, 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.