Brookline climate

Brookline Weather in May

NOAA 1991-2020 normals for E Milford, 10.5 km from Brookline

Average highs run from 64°F on May 1 to 73°F on May 31, and lows from 41°F to 51°F. Normal precipitation for the month is 3.54 in over about 13 wet days.

May day by day

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

Normal daily high and low temperature at Brookline, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
68°F
Average low
46°F
Precipitation
3.54 in
Record high
100°FMay 22, 1911
Record low
20°FMay 20, 1936
Chance of a freeze
41%
Days of 90°F or more
0.7
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 164°F41°F91°F 189927°F 189241%
May 265°F41°F87°F 192626°F 192741%
May 365°F41°F91°F 201023°F 192741%
May 465°F42°F92°F 194425°F 194641%
May 566°F42°F93°F 194922°F 196642%
May 666°F42°F88°F 191326°F 196142%
May 766°F43°F92°F 193027°F 196842%
May 866°F43°F94°F 193622°F 192642%
May 967°F44°F95°F 188922°F 195642%
May 1067°F44°F93°F 188921°F 194742%
May 1167°F44°F92°F 191123°F 190042%
May 1267°F45°F93°F 191126°F 192642%
May 1368°F45°F87°F 194728°F 196242%
May 1468°F45°F89°F 196126°F 195142%0%
May 1568°F46°F94°F 190026°F 194742%0%
May 1668°F46°F93°F 193225°F 193942%0%
May 1769°F46°F90°F 195129°F 195242%0%
May 1869°F47°F94°F 188926°F 195942%0%
May 1969°F47°F96°F 196226°F 194442%0%
May 2069°F47°F96°F 202620°F 193642%0%
May 2170°F48°F92°F 191128°F 193642%0%
May 2270°F48°F100°F 191127°F 193642%0%
May 2370°F48°F94°F 202228°F 193542%0%
May 2471°F49°F91°F 196429°F 193242%0%
May 2571°F49°F91°F 193224°F 195642%0%
May 2671°F49°F94°F 191428°F 197242%0%
May 2771°F49°F97°F 191429°F 196941%0%
May 2872°F50°F93°F 202032°F 196841%0%
May 2972°F50°F95°F 201630°F 190741%0%
May 3072°F50°F93°F 192932°F 194941%0%
May 3173°F51°F95°F 194427°F 196141%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Brookline, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 5:41 AM, sunset 7:47 PM
May 31
sunrise 5:12 AM, sunset 8:18 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00272302 (E Milford), 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.