Robertson, MO
Unincorporated community in St. Louis County, Missouri
Robertson is a small unincorporated community in St. Louis County, Missouri. It is 2.0 miles W of Bridgeton, the nearest town. Its ZIP code is 63042.
Robertson at a glance
- State
- Missouri
- County
- St. Louis County
- ZIP code
- 63042
- Nearest town
- Bridgeton (2.0 mi)
- Time zone
- America/Chicago
- Coordinates
- 38.7642, -90.3819
Weather in Robertson now
Loading the National Weather Service forecast…
Robertson weather by the hour
Robertson weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Robertson.
This week in Robertson
Sunrise, sunset and moon in Robertson
What is the weather usually like in Robertson?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 90°F average high
- Januarycoldest month · 24°F average low
- 41.7 inprecipitation per year · 1,059 mm
- 16.6 insnowfall per year · 42 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Robertson: May–June and September–October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station ST LOUIS LAMBERT INTL AP, MO US (USW00013994), adjusted for the elevation of Robertson.
Robertson weather month by month
Sunrise and sunset in Robertson through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:16 AM | 5:05 PM | 9 h 48 min |
| February | 6:50 AM | 5:40 PM | 10 h 49 min |
| March | 7:10 AM | 7:09 PM | 11 h 58 min |
| April | 6:23 AM | 7:39 PM | 13 h 16 min |
| May | 5:47 AM | 8:08 PM | 14 h 20 min |
| June | 5:34 AM | 8:29 PM | 14 h 55 min |
| July | 5:47 AM | 8:27 PM | 14 h 39 min |
| August | 6:14 AM | 7:57 PM | 13 h 43 min |
| September | 6:41 AM | 7:11 PM | 12 h 29 min |
| October | 7:09 AM | 6:24 PM | 11 h 14 min |
| November | 6:42 AM | 4:49 PM | 10 h 6 min |
| December | 7:11 AM | 4:42 PM | 9 h 31 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Robertson?
Robertson has a humid subtropical climate. The warmest month is July, with an average high of 90°F (32°C), and the coldest is January, with average lows of 24°F (-5°C).
It gets about 41.7 inches (1,059 mm) of precipitation a year. The wettest month is May and the driest is February. Snow is common: about 17 inches fall in an average year.
The best time to visit Robertson is May–June 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 Robertson
The closest live webcam is Cabanne Place › North: World Chess Hall of Fame, 10.6 miles SE of Robertson.
Webcams: Windy.com. Distances in a straight line from Robertson.
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Map of Robertson, MO
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Robertson Street View
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Open in Google Maps ›Towns near Robertson
Other communities near Robertson
Questions about Robertson
Where is Robertson, MO?
Robertson is an unincorporated community in St. Louis County, Missouri, 2.0 miles W of Bridgeton.
What county is Robertson in?
Robertson is in St. Louis County, Missouri.
What is the ZIP code of Robertson, MO?
The ZIP code for Robertson is 63042.
What is the nearest town to Robertson?
Bridgeton, 2.0 miles away.
Are there webcams near Robertson?
Yes. The closest is Cabanne Place › North: World Chess Hall of Fame, 10.6 miles away.
What is the hottest month in Robertson?
July, with an average high of 90°F (32°C).
What is the coldest month in Robertson?
January, with an average low of 24°F (-5°C).
How much does it rain in Robertson?
About 41.7 inches (1,059 mm) a year; the wettest month is May.
Does it snow in Robertson?
Yes, about 17 inches of snow fall in an average year.
When is the best time to visit Robertson?
May–June and September–October, when temperatures are most pleasant and rainy days are fewer.
What climate does Robertson have?
Humid subtropical (Köppen Cfa).
Last updated: