Watertown climate

Watertown Weather in May

NOAA 1991-2020 normals for Lake City 2 E, 2.2 km from Watertown

Average highs run from 82°F on May 1 to 87°F on May 31, and lows from 58°F to 65°F. Normal precipitation for the month is 3.47 in over about 7 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 Watertown, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
85°F
Average low
62°F
Precipitation
3.47 in
Record high
101°FMay 25, 1953
Record low
41°FMay 5, 1971
Chance of a freeze
0%
Days of 90°F or more
9.7
Daylight
13 h 21 min to 13 h 57 min
Cloud cover
51%
Humidity
68%
Dew point
63°F
Wind
4.9 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
May 182°F58°F95°F 190644°F 190822%
May 283°F58°F95°F 190144°F 190822%
May 383°F58°F96°F 199046°F 192522%
May 483°F59°F96°F 189942°F 197122%
May 583°F59°F98°F 195541°F 197122%
May 684°F59°F97°F 195546°F 197322%
May 784°F59°F95°F 191449°F 195422%
May 884°F60°F99°F 192542°F 196722%
May 984°F60°F97°F 191645°F 192822%
May 1084°F60°F99°F 195543°F 192323%
May 1185°F60°F100°F 191642°F 190623%
May 1285°F61°F98°F 195545°F 195223%
May 1385°F61°F97°F 192242°F 202024%
May 1485°F61°F99°F 193342°F 202024%
May 1585°F61°F99°F 193346°F 191725%
May 1685°F62°F98°F 193349°F 191725%
May 1786°F62°F96°F 189951°F 195426%
May 1886°F62°F100°F 189949°F 198426%
May 1986°F62°F97°F 189849°F 201127%
May 2086°F63°F100°F 193549°F 189427%
May 2186°F63°F100°F 193849°F 200228%
May 2286°F63°F100°F 196246°F 195429%
May 2386°F63°F100°F 196249°F 199329%
May 2487°F64°F100°F 195350°F 195430%
May 2587°F64°F101°F 195354°F 196731%
May 2687°F64°F100°F 193345°F 197932%
May 2787°F65°F101°F 195347°F 197932%
May 2887°F65°F100°F 196252°F 190133%
May 2987°F65°F99°F 189853°F 198834%
May 3087°F65°F100°F 194551°F 198335%
May 3187°F65°F101°F 194550°F 198436%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Watertown, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:47 AM, sunset 8:08 PM
May 31
sunrise 6:30 AM, sunset 8:27 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00084731 (Lake City 2 E), public domain. Records: NOAA GHCN-Daily, station USC00084731, 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.