Newcastle climate

Newcastle Weather in May

NOAA 1991-2020 normals for Newcastle, 1 km from Newcastle

Average highs run from 60°F on May 1 to 69°F on May 31, and lows from 40°F to 49°F. Normal precipitation for the month is 3.80 in over about 14 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 Newcastle, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
65°F
Average low
45°F
Precipitation
3.80 in
Record high
94°FMay 25, 2007
Record low
27°FMay 1, 2000
Chance of a freeze
37%
Daylight
14 h 12 min to 15 h 15 min
Cloud cover
68%
Humidity
84%
Dew point
45°F
Wind
6.9 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 160°F40°F77°F 201027°F 200043%2%
May 261°F40°F89°F 200129°F 200243%2%
May 361°F41°F89°F 200127°F 200043%2%
May 461°F41°F85°F 200128°F 200343%2%
May 562°F41°F79°F 200029°F 199743%2%
May 662°F42°F77°F 202330°F 200543%1%
May 762°F42°F83°F 201528°F 200143%1%
May 863°F42°F78°F 200029°F 200443%1%
May 963°F43°F80°F 200728°F 199744%1%
May 1063°F43°F83°F 200729°F 201044%1%
May 1164°F43°F83°F 200427°F 201044%1%
May 1264°F44°F79°F 202330°F 199944%1%
May 1364°F44°F72°F 202327°F 200544%1%
May 1465°F44°F86°F 202230°F 200744%0%
May 1565°F44°F83°F 200432°F 201344%0%
May 1665°F45°F77°F 201332°F 199944%0%
May 1765°F45°F85°F 202633°F 200344%0%
May 1866°F45°F92°F 201729°F 202345%0%
May 1966°F46°F91°F 202631°F 200245%0%
May 2066°F46°F91°F 202627°F 200245%0%
May 2166°F46°F85°F 200930°F 200245%0%
May 2267°F46°F86°F 200931°F 200244%0%
May 2367°F47°F83°F 202135°F 200244%0%
May 2467°F47°F81°F 201532°F 202044%0%
May 2567°F47°F94°F 200735°F 202044%0%
May 2668°F48°F91°F 201034°F 200944%0%
May 2768°F48°F86°F 202634°F 199744%0%
May 2868°F48°F88°F 201634°F 199744%0%
May 2968°F48°F86°F 200634°F 201444%0%
May 3069°F49°F86°F 201135°F 200044%0%
May 3169°F49°F90°F 201334°F 200444%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Newcastle, 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 5:30 AM, sunset 7:42 PM
May 31
sunrise 4:59 AM, sunset 8:14 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00175675 (Newcastle), public domain. Records: NOAA GHCN-Daily, station USW00094623, 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.