Bristol climate

Bristol Weather in May

NOAA 1991-2020 normals for Franklin Falls Dam, 15 km from Bristol

Average highs run from 63°F on May 1 to 72°F on May 31, and lows from 37°F to 48°F. Normal precipitation for the month is 3.62 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 Bristol, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
68°F
Average low
43°F
Precipitation
3.62 in
Record high
93°FMay 20, 1962
Record low
18°FMay 17, 2002
Chance of a freeze
80%
Days of 90°F or more
0.6
Daylight
14 h 10 min to 15 h 12 min
Cloud cover
68%
Humidity
79%
Dew point
47°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 163°F37°F85°F 200423°F 19561%
May 264°F37°F88°F 197026°F 19521%
May 364°F38°F90°F 200120°F 19661%
May 464°F38°F89°F 200123°F 19661%
May 565°F39°F84°F 200124°F 19861%
May 665°F39°F82°F 196022°F 19920%
May 765°F39°F82°F 196022°F 19920%
May 866°F40°F87°F 196420°F 19560%
May 966°F40°F84°F 196420°F 19560%
May 1066°F41°F91°F 197924°F 19850%
May 1167°F41°F89°F 195324°F 19560%
May 1267°F41°F87°F 199326°F 19620%
May 1367°F42°F85°F 200427°F 19630%
May 1467°F42°F86°F 198525°F 19960%
May 1568°F43°F84°F 196122°F 20010%
May 1668°F43°F90°F 197428°F 19960%
May 1768°F43°F88°F 199118°F 20020%
May 1868°F44°F88°F 197726°F 19590%
May 1969°F44°F87°F 198627°F 19910%
May 2069°F44°F93°F 196224°F 20020%
May 2169°F45°F90°F 197524°F 19910%
May 2269°F45°F89°F 199228°F 20020%
May 2370°F45°F93°F 197729°F 20020%
May 2470°F46°F90°F 196428°F 19630%
May 2570°F46°F90°F 196421°F 19560%
May 2670°F46°F89°F 200721°F 19560%
May 2771°F47°F86°F 196525°F 19690%
May 2871°F47°F88°F 195929°F 19940%
May 2971°F47°F92°F 197829°F 19940%
May 3071°F48°F92°F 197830°F 19670%
May 3172°F48°F89°F 197826°F 19610%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Bristol, in percent, and of at least 0.1 inch of snowfall.00.20.40.60.81102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 5:39 AM, sunset 7:49 PM
May 31
sunrise 5:09 AM, sunset 8:21 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00273182 (Franklin Falls Dam), public domain. Records: NOAA GHCN-Daily, station USC00276945, 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.