2026 Compare Cities Climate:
Portsmouth, NH vs Grass Valley, CA

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Highlights
- Grass Valley has 9.8% more rainy days than Portsmouth.
- Grass Valley has 22.7% more Sunny Days than Portsmouth.
- On the BestPlaces comfort index, Grass Valley scores 16.2% better than Portsmouth
 Portsmouth, NHGrass Valley, CAUnited States
 Rainfall  Unlock5538
 Snowfall53  Unlock28
 Precipitation  Unlock84106
 Sunny198  Unlock205
 Avg. July High  Unlock8786
 Avg. Jan. Low14  Unlock22
 Comfort Index (higher=better)  Unlock7.97
 UV Index3.4  Unlock4.3
 Elevation  Unlock24112443
Reviews for Portsmouth    7 Reviews

Over 16 years ago

I was up in Portsmouth a couple years ago visiting from Florida. I loved how I was able to prk the car, get out and have numerous bars/restaurants, clothing stores, etc  More

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Over 17 years ago

Portsmouth is full of history, art, interesting shops, restaurants and the best  More

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Over 19 years ago

Portsmouth is a beautiful historic town settled right on the seacoast. Excellent restaurants, great cafes and shops, and picturesque streets make this a wonderful city  More

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Reviews for Grass Valley    15 Reviews

I've lived many places in California. I've now lived in Grass Valley for 2 years. Grass Valley and it's sister Nevada City are adorable little towns full of history and  More

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Grass valley has become a sad place to live. I was born and raised here and can no longer afford to raise my small family here. Look up the median annual wage and the  More

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I'm 25 years old and I've lived in this town all of my life, and I'm saving every single dollar I make to leave here and never come back. It's a shame, because at one  More

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