Siedlce climate

Siedlce Weather in August

NASA POWER reanalysis for the half-degree grid cell around Siedlce, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 27°C on August 1 to 23°C on August 31, and lows from 16°C to 12°C. Normal precipitation for the month is 62 mm over about 9 wet days.

August day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Siedlce, in °C, with the record for each date.010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

August at a glance

Average high
25°C
Average low
14°C
Precipitation
62 mm
Reanalysis high
37°CAug 1, 1994
Reanalysis low
7°CAug 28, 1998
Daylight
15 h 30 min to 13 h 41 min
Cloud cover
61%
Humidity
63%
Dew point
12°C
Wind
13.3 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Aug 127°C16°C37°C 199410°C 200741%
Aug 227°C16°C36°C 199411°C 200740%
Aug 327°C16°C34°C 199411°C 201139%
Aug 427°C16°C36°C 199211°C 201140%
Aug 526°C15°C34°C 201511°C 199638%
Aug 626°C15°C35°C 199411°C 199538%
Aug 726°C15°C36°C 201510°C 200538%
Aug 826°C15°C36°C 201510°C 200038%
Aug 926°C15°C37°C 20158°C 199636%
Aug 1026°C15°C36°C 19929°C 200036%
Aug 1126°C15°C36°C 20179°C 199836%
Aug 1226°C14°C36°C 20158°C 201635%
Aug 1326°C14°C32°C 201011°C 201234%
Aug 1426°C14°C34°C 201010°C 200534%
Aug 1526°C14°C32°C 20108°C 200434%
Aug 1625°C14°C34°C 199310°C 199734%
Aug 1725°C14°C32°C 20019°C 199733%
Aug 1825°C14°C32°C 20019°C 199332%
Aug 1925°C14°C33°C 20199°C 199432%
Aug 2025°C14°C34°C 20129°C 199333%
Aug 2125°C13°C32°C 20019°C 201432%
Aug 2225°C13°C33°C 20207°C 201431%
Aug 2325°C13°C34°C 20079°C 200431%
Aug 2425°C13°C32°C 19959°C 199932%
Aug 2524°C13°C31°C 20159°C 201333%
Aug 2624°C13°C31°C 20198°C 199334%
Aug 2724°C13°C31°C 20197°C 201433%
Aug 2823°C12°C32°C 20197°C 199834%
Aug 2923°C12°C36°C 19927°C 199334%
Aug 3023°C12°C34°C 19928°C 199335%
Aug 3123°C12°C35°C 19928°C 200837%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Siedlce, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+2).

August 1
sunrise 4:52 AM, sunset 8:22 PM
August 31
sunrise 5:40 AM, sunset 7:21 PM

Every day of August: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: 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.