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Climate · Bonner

Bonner in May

Mild and wet, as the days lengthen.

Typical weather, averaged over 30 years

May in Bonner is mild: highs near 64°F, lows near 37°F. Rain falls on about three days a week, and the days lengthen by 1 hour 7 minutes from the first week to the last.May in Bonner is mild: highs near 18°C, lows near 3°C. Rain falls on about three days a week, and the days lengthen by 1 hour 7 minutes from the first week to the last.

High
64°F18°Caverage
Low
37°F3°Caverage
Wet days
3a week · 47% of days
Daylight
15h 02mon average

Is May a good time to visit Bonner?

May sits outside Bonner's best months, which run in two parts: July, or September. Expect mild days and rain on about three days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How May sits in the year

week by week

Temperature

Highs near 64°F in May, against 34°F to 86°F through the year.Highs near 18°C in May, against 1°C to 30°C through the year.

Chance of a wet day

47% of days in May, against 16% to 47% through the year.

Cloud cover

59% cover in May, against 27% to 71% through the year.

Daylight

15h 02m in May, against 8h 35m to 15h 49m through the year.

Week by week, lightly smoothed, with May shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. April52°11°low 28°low -2°3 wet days a weekRain on about three days a week.
  2. May64°18°low 37°low 3°3 wet days a weekRain on about three days a week.
  3. June73°23°low 45°low 7°3 wet days a weekRain on about three days a week.

Where Bonner sits, in May

America/Denver
this place
typical high in May 40°F4°C95°F35°C
Sunrise, mid-May
6:00 AMsets 9:00 PM
Above the sea
1,140 mupland
Latitude
46.9°Nnorthern hemisphere
Nearest of ours
Philipsburg74 km south

The land around Bonner, shaded by its typical high in May, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in United States in May

high · low · wet days
See May on the planning mapThe whole year in Bonner

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Bonner. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (1,140 m) against the climate model's (1,507 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (1,140 m) against the climate model's (1,507 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.