The Year in Heat & Cold
1900
-0.46°F
ran -0.46°F cooler than the 1996–2025 average across 181 cities — the 33rd warmest of 157 years on record.
Extremes
Hottest Day of 1900
116.0°F
Needles, CA · Jul 12
Coldest Day of 1900
-38.0°F
Glasgow, MT · Feb 8
Records Set in 1900
Daily Heat Records Set
463
calendar-day record highs set in 1900 that still stand today
Daily Cold Records Set
397
calendar-day record lows set in 1900 that still stand today
Where the Year Ran Warm & Cold
Each city's 1900 average temperature versus its 1996–2025 normal — blue where the year ran cool, red where it ran hot.
Hottest & Coldest at Every City
Each city's single hottest and coldest reading of 1900 — the number is the temperature, coloured hot-to-cold. Toggle between the two.
Month by Month
National temperature anomaly by month — red above the line is a warm month, blue below is cool.
+2.24J
-5.06F
-3.88M
-0.23A
+0.01M
-0.76J
-1.70J
+0.87A
-0.10S
+3.14O
-0.97N
-0.05D
Warmest Stations & States
Warmest Stations of 1900
| 1 | Peoria IL | +3.35°F |
| 2 | Jonesboro AR | +3.10°F |
| 3 | Great Falls MT | +2.90°F |
| 4 | Pittsburgh PA | +2.53°F |
| 5 | Saint Cloud MN | +2.39°F |
| 6 | Aberdeen SD | +2.35°F |
| 7 | Pendleton OR | +2.29°F |
| 8 | North Platte NE | +2.16°F |
| 9 | Cedar Rapids IA | +2.16°F |
| 10 | Trenton NJ | +1.94°F |
Coolest Stations of 1900
| 1 | Phoenix AZ | -5.19°F |
| 2 | Reno NV | -4.99°F |
| 3 | Yuma AZ | -4.25°F |
| 4 | Newark NJ | -3.31°F |
| 5 | Tucson AZ | -3.14°F |
| 6 | Jackson MS | -2.98°F |
| 7 | Roswell NM | -2.98°F |
| 8 | Tampa FL | -2.91°F |
| 9 | Fresno CA | -2.77°F |
| 10 | Washington DC | -2.73°F |
By State
Warmest states of 1900
Montana+1.08°Nebraska+1.06°Arkansas+0.79°Iowa+0.75°South Dakota+0.52°Indiana+0.50°
Coolest states of 1900
Arizona-3.31°District of Columbia-2.73°Puerto Rico-2.54°New Mexico-2.28°Texas-1.68°California-1.64°
Hottest Since · Browse all states · See where it's coldest → coldestsince.com
part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-12 22:52Z
© 2026 Weather Trader · All rights reserved
part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-12 22:52Z
© 2026 Weather Trader · All rights reserved