2025 Compare Cities Climate:
Union, MO vs Arnold, MO

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Highlights
- Arnold has 0.2% more rainy days than Union.
- Arnold has 1.5% more Sunny Days than Union.
- On the BestPlaces comfort index, Arnold scores 1.4% better than Union
 Union, MOArnold, MOUnited States
 Rainfall  Unlock4438
 Snowfall13  Unlock28
 Precipitation  Unlock97106
 Sunny200  Unlock205
 Avg. July High  Unlock8886
 Avg. Jan. Low22  Unlock22
 Comfort Index (higher=better)  Unlock7.37
 UV Index4.1  Unlock4.3
 Elevation  Unlock6002443
Reviews for Union    1 Reviews

Over 11 years ago

This town has a bubba hillbilly mentality. The people are rude and drive terrible for a small town. The schools are are terrible as well. The weather is freezing in the  More

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Reviews for Arnold    1 Reviews

Over 16 years ago

My husband's family lives in the area (Crestwood, Barnhart, Fenton, Ballwin), we have been visiting for about 20 years. We moved from a southern state which had it  More

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