The Year in Heat & Cold
1989
-1.73°F
ran -1.73°F cooler than the 1996–2025 average across 366 cities — the 45th coldest of 157 years on record.
Extremes
Coldest Day of 1989
-75.0°F
Mcgrath, AK · Jan 27
Hottest Day of 1989
121.0°F
Needles, CA · Jul 5
Records Set in 1989
Daily Cold Records Set
2,023
calendar-day record lows set in 1989 that still stand today
Daily Heat Records Set
1,349
calendar-day record highs set in 1989 that still stand today
Where the Year Ran Warm & Cold
Each city's 1989 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 1989 — 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.
+2.01J
-4.97F
-1.21M
-0.13A
-1.27M
-1.39J
-0.83J
-1.59A
-1.98S
-0.62O
-1.20N
-8.03D
Coolest Stations & States
Coolest Stations of 1989
| 1 | Brainerd MN | -5.98°F |
| 2 | Stillwater OK | -4.13°F |
| 3 | Sault Ste Marie MI | -3.95°F |
| 4 | Rhinelander WI | -3.72°F |
| 5 | Reading PA | -3.68°F |
| 6 | Millinocket ME | -3.63°F |
| 7 | Wilmington OH | -3.55°F |
| 8 | Duluth MN | -3.53°F |
| 9 | Minneapolis-St Paul MN | -3.52°F |
| 10 | Talkeetna AK | -3.52°F |
Warmest Stations of 1989
| 1 | Challis ID | +1.69°F |
| 2 | Winter Haven FL | +1.57°F |
| 3 | Omak WA | +1.49°F |
| 4 | Lake Havasu City AZ | +0.97°F |
| 5 | Phoenix AZ | +0.96°F |
| 6 | Austin-Bergstrom Airport TX | +0.92°F |
| 7 | St Paul Island AK | +0.77°F |
| 8 | Lakeland FL | +0.72°F |
| 9 | Eureka CA | +0.72°F |
| 10 | McCall ID | +0.70°F |
By State
Warmest states of 1989
Arizona+0.51°Guam+0.08°Idaho-0.48°Florida-0.53°Washington-0.78°California-0.79°
Coolest states of 1989
Minnesota-3.59°Wisconsin-2.99°Oklahoma-2.95°Michigan-2.85°Missouri-2.82°Illinois-2.78°
Coldest Since · Browse all states · See where it's hottest → hottestsince.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