Viola climate

Viola Weather in May

NOAA 1991-2020 normals for Wanaque Raymond Dam, 20.5 km from Viola

Average highs run from 66°F on May 1 to 75°F on May 31, and lows from 45°F to 54°F. Normal precipitation for the month is 3.58 in over about 12 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 Viola, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
71°F
Average low
50°F
Precipitation
3.58 in
Record high
98°FMay 19, 2026
Record low
32°FMay 14, 1996
Chance of a freeze
15%
Days of 90°F or more
1.3
Daylight
13 h 59 min to 14 h 56 min
Cloud cover
64%
Humidity
79%
Dew point
51°F
Wind
6.5 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 201035°F 200838%0%
May 267°F45°F92°F 201839°F 200538%0%
May 367°F45°F96°F 201838°F 200538%0%
May 468°F46°F92°F 200133°F 198538%0%
May 568°F46°F88°F 198637°F 200338%0%
May 668°F47°F89°F 198639°F 199238%0%
May 769°F47°F93°F 200034°F 199638%0%
May 869°F47°F90°F 200035°F 197438%0%
May 969°F48°F92°F 197933°F 198538%0%
May 1070°F48°F93°F 197034°F 202038%0%
May 1170°F48°F89°F 197036°F 198338%0%
May 1270°F48°F94°F 200437°F 199038%0%
May 1370°F49°F87°F 200436°F 199638%0%
May 1471°F49°F85°F 199132°F 199638%0%
May 1571°F49°F91°F 201837°F 197138%0%
May 1671°F50°F88°F 200740°F 201638%0%
May 1771°F50°F94°F 201739°F 198338%0%
May 1872°F50°F97°F 201739°F 198438%0%
May 1972°F51°F98°F 202638°F 197338%0%
May 2072°F51°F96°F 199637°F 200238%0%
May 2173°F51°F98°F 202237°F 200238%0%
May 2273°F51°F92°F 199240°F 200238%0%
May 2373°F52°F92°F 200441°F 197638%0%
May 2473°F52°F93°F 197544°F 199238%0%
May 2574°F52°F93°F 200743°F 199038%0%
May 2674°F52°F95°F 201045°F 197238%0%
May 2774°F53°F91°F 201643°F 201338%0%
May 2874°F53°F92°F 201239°F 199438%0%
May 2975°F53°F94°F 198743°F 199238%0%
May 3075°F54°F97°F 198742°F 199337%0%
May 3175°F54°F95°F 201343°F 199037%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Viola, 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 5:54 AM, sunset 7:53 PM
May 31
sunrise 5:26 AM, sunset 8:22 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00289187 (Wanaque Raymond Dam), public domain. Records: NOAA GHCN-Daily, station USW00094741, 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.