Viacha Weather in May
Average highs run from 15°C on May 1 to 15°C on May 31, and lows from 0°C to -4°C.
May day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 15°C
- Average low
- -2°C
- Record high
- 22°CMay 23, 1997
- Record low
- -10°CMay 23, 1982
- Daylight
- 11 h 30 min to 11 h 12 min
- Cloud cover
- 41%
- Humidity
- 64%
- Dew point
- -1°C
- Wind
- 10.1 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 15°C | 0°C | 19°C 1998 | -4°C 1979 | 18% |
| May 2 | 16°C | 0°C | 20°C 2018 | -6°C 1997 | 16% |
| May 3 | 16°C | -1°C | 20°C 2018 | -6°C 1980 | 15% |
| May 4 | 16°C | -1°C | 18°C 2022 | -6°C 2010 | 15% |
| May 5 | 16°C | -1°C | 18°C 2021 | -5°C 2008 | 14% |
| May 6 | 16°C | -1°C | 18°C 2021 | -6°C 2011 | 14% |
| May 7 | 16°C | -1°C | 18°C 2024 | -6°C 2011 | 13% |
| May 8 | 16°C | -2°C | 18°C 2024 | -6°C 2005 | 13% |
| May 9 | 16°C | -2°C | 18°C 1983 | -6°C 2005 | 12% |
| May 10 | 16°C | -2°C | 19°C 2020 | -6°C 2005 | 12% |
| May 11 | 16°C | -1°C | 19°C 2020 | -6°C 2006 | 12% |
| May 12 | 16°C | -1°C | 18°C 2013 | -6°C 2006 | 12% |
| May 13 | 15°C | -1°C | 19°C 2024 | -7°C 2006 | 11% |
| May 14 | 15°C | -2°C | 18°C 2016 | -7°C 2011 | 10% |
| May 15 | 15°C | -2°C | 18°C 2016 | -7°C 1952 | 10% |
| May 16 | 15°C | -3°C | 17°C 2017 | -9°C 1998 | 9% |
| May 17 | 15°C | -2°C | 18°C 1992 | -6°C 2008 | 10% |
| May 18 | 15°C | -3°C | 18°C 1992 | -8°C 1998 | 10% |
| May 19 | 15°C | -2°C | 18°C 2022 | -6°C 2018 | 9% |
| May 20 | 15°C | -2°C | 18°C 1995 | -7°C 2006 | 9% |
| May 21 | 16°C | -3°C | 18°C 1995 | -6°C 1998 | 9% |
| May 22 | 15°C | -3°C | 17°C 1995 | -6°C 1997 | 9% |
| May 23 | 16°C | -3°C | 22°C 1997 | -10°C 1982 | 8% |
| May 24 | 15°C | -3°C | 18°C 2013 | -6°C 2018 | 8% |
| May 25 | 15°C | -3°C | 17°C 2016 | -6°C 2019 | 8% |
| May 26 | 15°C | -3°C | 18°C 1992 | -9°C 2001 | 7% |
| May 27 | 15°C | -3°C | 18°C 1992 | -7°C 2006 | 7% |
| May 28 | 15°C | -4°C | 17°C 2020 | -9°C 2006 | 7% |
| May 29 | 15°C | -3°C | 17°C 2014 | -7°C 1979 | 8% |
| May 30 | 15°C | -3°C | 17°C 2011 | -8°C 1982 | 8% |
| May 31 | 15°C | -4°C | 17°C 2011 | -8°C 1982 | 8% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-4).
- May 1
- sunrise 6:45 AM, sunset 6:15 PM
- May 31
- sunrise 6:55 AM, sunset 6:07 PM
Other months
Sources
Records: NOAA GHCN-Daily, station BLM00085201, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.