The Year in Heat & Cold
1966
-2.16°F
ran -2.16°F cooler than the 1996–2025 average across 368 cities — the 133rd warmest of 157 years on record.
Extremes
Hottest Day of 1966
119.0°F
Needles, CA · Aug 5
Coldest Day of 1966
-53.0°F
Fairbanks, AK · Dec 9
Records Set in 1966
Daily Heat Records Set
722
calendar-day record highs set in 1966 that still stand today
Daily Cold Records Set
1,626
calendar-day record lows set in 1966 that still stand today
Where the Year Ran Warm & Cold
Each city's 1966 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 1966 — 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.
-5.35J
-3.37F
-1.27M
-2.41A
-2.45M
-1.76J
-0.20J
-2.24A
-2.27S
-2.31O
-0.24N
-2.22D
Warmest Stations & States
Warmest Stations of 1966
| 1 | Challis ID | +2.84°F |
| 2 | Redding CA | +1.88°F |
| 3 | Tri-Cities WA | +1.85°F |
| 4 | Jerome ID | +1.73°F |
| 5 | Pendleton OR | +1.59°F |
| 6 | Burns OR | +1.58°F |
| 7 | Ontario OR | +1.51°F |
| 8 | McCall ID | +1.45°F |
| 9 | Seattle City WA | +1.18°F |
| 10 | Alturas CA | +0.90°F |
Coolest Stations of 1966
| 1 | Yakutat AK | -6.40°F |
| 2 | Barrow AK | -6.12°F |
| 3 | Mcgrath AK | -6.10°F |
| 4 | Fairbanks AK | -5.66°F |
| 5 | King Salmon AK | -5.50°F |
| 6 | Phoenix AZ | -5.42°F |
| 7 | Delta Junction AK | -5.16°F |
| 8 | Juneau AK | -5.05°F |
| 9 | Bettles AK | -5.01°F |
| 10 | Anchorage AK | -4.90°F |
By State
Warmest states of 1966
Idaho+0.40°Oregon-0.10°Washington-0.26°Wyoming-0.36°Guam-0.58°Colorado-0.78°
Coolest states of 1966
Alaska-4.57°North Dakota-3.70°Vermont-3.61°Georgia-3.18°New Mexico-3.17°Minnesota-3.16°
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