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2026 Compare Cities Climate:
Callahan, FL vs Mars, PA

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Highlights
- Mars has 21.0% less rainy days than Callahan.
- Mars has 26.1% less Sunny Days than Callahan.
- On the BestPlaces comfort index, Mars scores 5.6% worse than Callahan
 Callahan, FLMars, PAUnited States
 Rainfall  Unlock4038
 Snowfall0  Unlock28
 Precipitation  Unlock158106
 Sunny222  Unlock205
 Avg. July High  Unlock8286
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock6.87
 UV Index5.5  Unlock4.3
 Elevation  Unlock10372443
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Reviews for Callahan    2 Reviews
Peyton · Fernandina Beach, FL
Bad Hill Billy Place
Over 5 years ago

I hate Callahan because of the  More

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fox · Ogden, UT
PROS and CONS of Nassau County
Over 14 years ago

Can someone elaborate the pros and cons of moving to Nassau county where I can buy 2+acres of land for under 20K? We are a military family and this will be our final  More

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Reviews for Mars    1 Reviews
Janet · Mars, PA
Not so small.
Over 17 years ago

It's a small town but growing. The scenery and weather are nice. The location is just about right. It's not far from Pittsburgh or other cities, towns and activities.  More

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