Grain Valley has a mild climate with cool winters (Jan -8°C) and warm summers (Jul 32°C). Annual rainfall totals 1005mm.
Monthly Averages
Jan
High2°C36°F
Avg Temp-3°C27°F
Low-8°C17°F
Precipitation32 mm
Wind16 km/h
Feb
High6°C43°F
Avg Temp1°C33°F
Low-5°C23°F
Precipitation35 mm
Wind15 km/h
Mar
High13°C55°F
Avg Temp7°C44°F
Low0°C32°F
Precipitation68 mm
Wind17 km/h
Apr
High19°C66°F
Avg Temp13°C55°F
Low6°C43°F
Precipitation95 mm
Wind17 km/h
May
High24°C75°F
Avg Temp18°C64°F
Low12°C53°F
Precipitation127 mm
Wind14 km/h
Jun
High29°C84°F
Avg Temp23°C73°F
Low17°C62°F
Precipitation123 mm
Wind13 km/h
Jul
High32°C89°F
Avg Temp26°C78°F
Low19°C67°F
Precipitation104 mm
Wind12 km/h
Aug
High31°C88°F
Avg Temp25°C76°F
Low18°C65°F
Precipitation96 mm
Wind11 km/h
Sep
High27°C80°F
Avg Temp20°C68°F
Low14°C56°F
Precipitation124 mm
Wind12 km/h
Oct
High20°C69°F
Avg Temp14°C57°F
Low7°C45°F
Precipitation88 mm
Wind13 km/h
Nov
High12°C53°F
Avg Temp6°C43°F
Low1°C33°F
Precipitation68 mm
Wind15 km/h
Dec
High5°C42°F
Avg Temp0°C32°F
Low-5°C23°F
Precipitation45 mm
Wind15 km/h
HighLowPrecipitation
Monthly Wind Speed
km/h
Frequently Asked Questions
What is the climate like in Grain Valley?
Grain Valley has an average annual temperature of 12°C with 1005mm of rainfall per year. The warmest month is Jul (32°C) and the coldest is Jan (-8°C).
What is the hottest month in Grain Valley?
The hottest month in Grain Valley is Jul, with an average high of 32°C.
How much rain does Grain Valley get?
Grain Valley receives 1005mm of precipitation annually. The wettest month is May (127mm) and the driest is Jan (32mm).
When is the best time to visit Grain Valley?
The best time to visit Grain Valley is during Aug, when temperatures are comfortable and rainfall is relatively low.