Petersburg, AK weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Petersburg now
Loading the National Weather Service forecast…
Petersburg weather by the hour
Petersburg weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Petersburg.
This week in Petersburg
Sunrise, sunset and moon in Petersburg
What is the weather usually like in Petersburg?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 62°F average high
- Januarycoldest month · 28°F average low
- 110.2 inprecipitation per year · 2,799 mm
- 85.6 insnowfall per year · 217 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Petersburg: May to August, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station PETERSBURG 1, AK US (USW00025329), adjusted for the elevation of Petersburg.
Petersburg weather month by month
Sunrise and sunset in Petersburg through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:13 AM | 3:48 PM | 7 h 34 min |
| February | 7:15 AM | 4:55 PM | 9 h 40 min |
| March | 7:03 AM | 6:56 PM | 11 h 53 min |
| April | 5:40 AM | 8:02 PM | 14 h 21 min |
| May | 4:30 AM | 9:04 PM | 16 h 34 min |
| June | 3:55 AM | 9:48 PM | 17 h 52 min |
| July | 4:19 AM | 9:35 PM | 17 h 15 min |
| August | 5:18 AM | 8:33 PM | 15 h 14 min |
| September | 6:21 AM | 7:11 PM | 12 h 49 min |
| October | 7:23 AM | 5:51 PM | 10 h 27 min |
| November | 7:30 AM | 3:42 PM | 8 h 11 min |
| December | 8:19 AM | 3:13 PM | 6 h 54 min |
Times for the 15th of each month, local time (America/Anchorage).
What is the weather like in Petersburg?
Petersburg has a warm-summer humid continental climate. The warmest month is July, with an average high of 62°F (17°C), and the coldest is January, with average lows of 28°F (-3°C).
It gets about 110.2 inches (2,799 mm) of precipitation a year. The wettest month is September and the driest is June. Snow is common: about 86 inches fall in an average year.
The best time to visit Petersburg is May to August. At 36 ft of elevation, nights are mild most of the year. 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.
More about Petersburg
Weather in towns near Petersburg
Questions about the weather in Petersburg
What is the hottest month in Petersburg?
July, with an average high of 62°F (17°C).
What is the coldest month in Petersburg?
January, with an average low of 28°F (-3°C).
How much does it rain in Petersburg?
About 110.2 inches (2,799 mm) a year; the wettest month is September.
Does it snow in Petersburg?
Yes, about 86 inches of snow fall in an average year.
When is the best time to visit Petersburg?
May to August, when temperatures are most pleasant and rainy days are fewer.
What climate does Petersburg have?
Warm-summer humid continental (Köppen Dfb).
What is the weather like in Petersburg in November?
Highs average 40°F and lows 33°F, with about 12.3 inches of precipitation.
What time is sunrise in Petersburg?
Around 7:30 AM in mid-November, and sunset around 3:42 PM. Today’s exact times are shown above.
Where does this Petersburg weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Petersburg.
Last updated: