Montezuma climate

Montezuma Weather in May

NOAA 1991-2020 normals for Rockville, 12.9 km from Montezuma

Average highs run from 71°F on May 1 to 80°F on May 31, and lows from 45°F to 54°F. Normal precipitation for the month is 5.02 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 Montezuma, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
76°F
Average low
50°F
Precipitation
5.02 in
Record high
99°FMay 10, 1896
Record low
27°FMay 14, 1895
Chance of a freeze
47%
Days of 90°F or more
1.1
Daylight
13 h 54 min to 14 h 47 min
Cloud cover
65%
Humidity
78%
Dew point
55°F
Wind
10.3 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 171°F45°F90°F 190129°F 190336%0%
May 272°F46°F91°F 190130°F 196636%0%
May 372°F46°F90°F 190128°F 197136%0%
May 472°F46°F89°F 195928°F 192636%0%
May 573°F46°F91°F 195232°F 191736%0%
May 673°F47°F91°F 194929°F 194436%0%
May 773°F47°F88°F 193631°F 198936%0%
May 873°F47°F93°F 189631°F 192836%0%
May 974°F48°F98°F 189628°F 194736%0%
May 1074°F48°F99°F 189628°F 196636%0%
May 1174°F48°F99°F 189632°F 190736%0%
May 1275°F49°F90°F 202231°F 196036%0%
May 1375°F49°F93°F 189632°F 192836%0%
May 1475°F49°F89°F 196227°F 189536%0%
May 1575°F49°F90°F 190033°F 192036%0%
May 1676°F50°F90°F 200135°F 192136%0%
May 1776°F50°F92°F 200134°F 189536%0%
May 1876°F50°F91°F 191133°F 192536%0%
May 1976°F51°F92°F 191135°F 192535%0%
May 2077°F51°F92°F 192137°F 189435%0%
May 2177°F51°F93°F 193431°F 190735%0%
May 2277°F52°F94°F 192535°F 189535%0%
May 2378°F52°F94°F 192537°F 192635%0%
May 2478°F52°F94°F 192135°F 195635%0%
May 2578°F52°F93°F 189629°F 192535%0%
May 2678°F53°F94°F 191130°F 192535%0%
May 2779°F53°F96°F 191132°F 196135%0%
May 2879°F53°F96°F 191136°F 190735%0%
May 2979°F54°F95°F 191136°F 196535%0%
May 3080°F54°F95°F 189538°F 194735%0%
May 3180°F54°F98°F 193436°F 189435%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Montezuma, 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 6:50 AM, sunset 8:44 PM
May 31
sunrise 6:24 AM, sunset 9:11 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00127522 (Rockville), public domain. Records: NOAA GHCN-Daily, station USC00116610, 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.