Lisbon climate

Lisbon Weather in May

NOAA 1991-2020 normals for Norwich Public Utility Plt, 9.7 km from Lisbon

Average highs run from 66°F on May 1 to 74°F on May 31, and lows from 45°F to 53°F. Normal precipitation for the month is 3.64 in over about 11 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 Lisbon, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
70°F
Average low
49°F
Precipitation
3.64 in
Record high
97°FMay 18, 2017
Record low
28°FMay 7, 2001
Chance of a freeze
8%
Days of 90°F or more
1.0
Daylight
14 h 01 min to 14 h 58 min
Cloud cover
63%
Humidity
79%
Dew point
49°F
Wind
5.6 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 166°F45°F88°F 200128°F 200837%0%
May 266°F45°F93°F 200134°F 200537%0%
May 366°F45°F92°F 200133°F 200037%0%
May 467°F45°F92°F 200132°F 202637%0%
May 567°F46°F84°F 200030°F 200537%0%
May 667°F46°F82°F 200032°F 201137%0%
May 768°F46°F92°F 200028°F 200137%0%
May 868°F47°F92°F 200032°F 200137%0%
May 968°F47°F83°F 200733°F 202037%0%
May 1068°F47°F86°F 201533°F 201637%0%
May 1169°F48°F87°F 200129°F 201037%0%
May 1269°F48°F89°F 200136°F 202537%0%
May 1369°F48°F82°F 201231°F 200537%0%
May 1470°F48°F82°F 202231°F 202037%0%
May 1570°F49°F86°F 199831°F 201337%0%
May 1670°F49°F85°F 199832°F 200237%0%
May 1770°F49°F91°F 201735°F 200337%0%
May 1871°F50°F97°F 201730°F 202337%0%
May 1971°F50°F93°F 202630°F 200237%0%
May 2071°F50°F89°F 202630°F 200237%0%
May 2171°F50°F90°F 202229°F 200237%0%
May 2272°F51°F91°F 202233°F 200237%0%
May 2372°F51°F87°F 202137°F 200236%0%
May 2472°F51°F87°F 200739°F 199736%0%
May 2572°F52°F91°F 200739°F 200836%0%
May 2673°F52°F96°F 201038°F 202336%0%
May 2773°F52°F89°F 201636°F 201336%0%
May 2873°F52°F94°F 201637°F 199736%0%
May 2973°F53°F92°F 201839°F 200836%0%
May 3074°F53°F90°F 201338°F 200436%0%
May 3174°F53°F93°F 202236°F 202636%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lisbon, 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).

May 1
sunrise 5:45 AM, sunset 7:46 PM
May 31
sunrise 5:17 AM, sunset 8:15 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00065910 (Norwich Public Utility Plt), public domain. Records: NOAA GHCN-Daily, station USW00054767, 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.