Simpson, OK
Unincorporated community in Johnston County, Oklahoma
Simpson is a small unincorporated community in Johnston County, Oklahoma. It is 2.1 miles N of Mannsville, the nearest town. Its ZIP code is 73447.
Simpson at a glance
- State
- Oklahoma
- County
- Johnston County
- ZIP code
- 73447
- Nearest town
- Mannsville (2.1 mi)
- Time zone
- America/Chicago
- Coordinates
- 34.1528, -96.8892
Weather in Simpson now
Loading the National Weather Service forecast…
Simpson weather by the hour
Simpson weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Simpson.
This week in Simpson
Sunrise, sunset and moon in Simpson
What is the weather usually like in Simpson?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 95°F average high
- Januarycoldest month · 30°F average low
- 41.4 inprecipitation per year · 1,051 mm
- 2.3 insnowfall per year · 6 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Simpson: April–May and September–October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station MADILL, OK US (USC00345468), adjusted for the elevation of Simpson.
Simpson weather month by month
Sunrise and sunset in Simpson through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:31 AM | 5:42 PM | 10 h 10 min |
| February | 7:10 AM | 6:12 PM | 11 h 1 min |
| March | 7:36 AM | 7:36 PM | 12 h 0 min |
| April | 6:54 AM | 8:00 PM | 13 h 5 min |
| May | 6:24 AM | 8:23 PM | 13 h 59 min |
| June | 6:14 AM | 8:42 PM | 14 h 28 min |
| July | 6:25 AM | 8:41 PM | 14 h 15 min |
| August | 6:47 AM | 8:16 PM | 13 h 28 min |
| September | 7:09 AM | 7:35 PM | 12 h 25 min |
| October | 7:31 AM | 6:54 PM | 11 h 23 min |
| November | 6:59 AM | 5:25 PM | 10 h 25 min |
| December | 7:24 AM | 5:20 PM | 9 h 56 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Simpson?
Simpson has a humid subtropical climate. The warmest month is July, with an average high of 95°F (35°C), and the coldest is January, with average lows of 30°F (-1°C).
It gets about 41.4 inches (1,051 mm) of precipitation a year. The wettest month is May and the driest is January. Snow is common: about 2 inches fall in an average year.
The best time to visit Simpson is April–May and September–October. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
Webcams near Simpson
The closest live webcam is Denison › North: US 75 at Red River PTZ, 30.7 miles SE of Simpson.
Webcams: Windy.com. Distances in a straight line from Simpson.
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Map of Simpson, OK
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Simpson Street View
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Other communities near Simpson
Questions about Simpson
Where is Simpson, OK?
Simpson is an unincorporated community in Johnston County, Oklahoma, 2.1 miles N of Mannsville.
What county is Simpson in?
Simpson is in Johnston County, Oklahoma.
What is the ZIP code of Simpson, OK?
The ZIP code for Simpson is 73447.
What is the nearest town to Simpson?
Mannsville, 2.1 miles away.
Are there webcams near Simpson?
Yes. The closest is Denison › North: US 75 at Red River PTZ, 30.7 miles away.
What is the hottest month in Simpson?
July, with an average high of 95°F (35°C).
What is the coldest month in Simpson?
January, with an average low of 30°F (-1°C).
How much does it rain in Simpson?
About 41.4 inches (1,051 mm) a year; the wettest month is May.
Does it snow in Simpson?
Yes, about 2 inches of snow fall in an average year.
When is the best time to visit Simpson?
April–May and September–October, when temperatures are most pleasant and rainy days are fewer.
What climate does Simpson have?
Humid subtropical (Köppen Cfa).
Last updated: