Bow Mar climate

Bow Mar Weather in May

NOAA 1991-2020 normals for Marston Fltr Plt, 1.5 km from Bow Mar

Average highs run from 63°F on May 1 to 75°F on May 31, and lows from 38°F to 49°F. Normal precipitation for the month is 2.73 in over about 10 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 Bow Mar, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
69°F
Average low
44°F
Precipitation
2.73 in
Snowfall
0.8 in
Record high
93°FMay 29, 2003
Record low
16°FMay 2, 2013
Chance of a freeze
59%
Days of 90°F or more
0.5
Daylight
13 h 53 min to 14 h 46 min
Cloud cover
58%
Humidity
49%
Dew point
32°F
Wind
8.3 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 163°F38°F84°F 202023°F 201330%4%
May 263°F39°F77°F 200616°F 201330%3%
May 364°F39°F79°F 201225°F 200830%3%
May 464°F39°F87°F 201231°F 201330%3%
May 564°F40°F88°F 200028°F 201130%3%
May 665°F40°F83°F 200425°F 199931%3%
May 765°F41°F86°F 202228°F 199931%3%
May 866°F41°F84°F 201129°F 202431%3%
May 966°F41°F81°F 201126°F 201531%2%
May 1066°F42°F87°F 201825°F 201531%2%
May 1167°F42°F86°F 202226°F 199931%2%
May 1267°F42°F83°F 200927°F 199931%2%
May 1368°F43°F85°F 202626°F 200031%2%
May 1468°F43°F84°F 201332°F 200031%2%
May 1568°F44°F82°F 200034°F 201131%2%
May 1669°F44°F84°F 200035°F 201031%2%
May 1769°F44°F84°F 200329°F 199931%2%
May 1870°F45°F89°F 202032°F 201731%2%
May 1970°F45°F91°F 202032°F 201731%2%
May 2071°F45°F89°F 200529°F 200130%1%
May 2171°F46°F88°F 200624°F 200130%1%
May 2272°F46°F90°F 201234°F 202430%1%
May 2372°F46°F86°F 200034°F 201930%1%
May 2472°F47°F85°F 201332°F 200230%1%
May 2573°F47°F88°F 201837°F 200130%1%
May 2673°F47°F90°F 201839°F 199930%1%
May 2774°F48°F90°F 200641°F 200830%1%
May 2874°F48°F90°F 201039°F 201629%1%
May 2975°F48°F93°F 200338°F 201229%1%
May 3075°F49°F90°F 200238°F 201929%1%
May 3175°F49°F92°F 200238°F 200429%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Bow Mar, 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 (MDT).

May 1
sunrise 6:01 AM, sunset 7:54 PM
May 31
sunrise 5:35 AM, sunset 8:21 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00055402 (Marston Fltr Plt), public domain. Records: NOAA GHCN-Daily, station USW00093067, 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.