Iowa · county areal climate 1951–2025

Jasper County, IA

A 49.9°F / 35.2" normal · 2025 ran +1.3°F vs normal.
2026 so far · through Jul 10: This area is running +3.1°F (49.1°F) vs the 1996–2025 to-date normal — the 4th warmest start of 76 years. Precipitation 110% of normal. U.S. year-to-date →

Normal (1996–2025)

49.9°F
annual mean · 35.2" precipitation

2025 vs Normal

+1.3°F
51.2°F · 35.5" (101% of normal)

Warmest Year

53.0°F
2012 · coldest 45.7°F (1951)

Wettest Year

54.6in
2010 · driest 18.4" (1988)

Hottest Day

103.5°F
Jul 26 · 2012

Coldest Day

-28.6°F
Feb 3 · 1996

Biggest Rain Day

3.87in
Jun 17 · 1990

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

21°
J
25°
F
38°
M
50°
A
61°
M
71°
J
74°
J
72°
A
66°
S
53°
O
39°
N
27°
D
—— normal temperature (°F) · ▮ normal precipitation (in) · 1996–2025
Areal nClimGrid averages (NOAA/NCEI) over the whole area — an average across the region, not a single station. Separate from the station records.

Nearby

← All Iowa countiesU.S. overview
Coldest Since · Browse all states · See where it's hottest → hottestsince.com
part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-13 14:12Z
© 2026 Weather Trader · All rights reserved