New Hampshire · county areal climate 1951–2025

Hillsborough County, NH

A 48.0" / 47.6°F normal · 2025 ran 86% of normal precipitation.
2026 so far · through Jul 25: This area is at 75% (19.98") of the 1996–2025 to-date normal — the 13th driest start of 76 years. Temperature -0.1°F vs normal. U.S. year-to-date →

Normal (1996–2025)

48.0in
annual precipitation · 47.6°F

2025 vs Normal

86%
41.5" · 47.6°F (+0 vs normal)

Wettest Year

62.1in
2008

Driest Year

29.2in
1965

Biggest Rain Day

5.5in
Oct 21 · 1996

Warmest Year

49.8°F
2024

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

24°
J
26°
F
34°
M
46°
A
57°
M
65°
J
71°
J
69°
A
62°
S
50°
O
39°
N
29°
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 New Hampshire countiesU.S. overview
DriestSince · browse by state · precipitation & snowfall records · NOAA/RCC-ACIS ThreadEx gauge record · part of Weather Trader · supported by Substack Subscribers
© 2026 Weather Trader · All rights reserved