Climate Petersburg - Alaska
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 36 | 38 | 42 | 49 | 56 | 62 |
| Average low in ºF Av. low Lo | 26 | 27 | 30 | 34 | 40 | 46 |
| Av. precipitation in inch Av. precip. Pre. | 11.48 | 7.36 | 8.45 | 6.04 | 5.92 | 4.94 |
| Av. snowfall in inch Snowfall Sn | 22 | 16 | 17 | 1 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 64 | 63 | 57 | 49 | 40 | 36 |
| Average low in ºF Av. low Lo | 49 | 48 | 44 | 38 | 31 | 27 |
| Av. precipitation in inch Av. precip. Pre. | 5.21 | 7.20 | 13.65 | 15.71 | 12.22 | 11.05 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 1 | 9 | 11 |
What is the average weather in Petersburg, Alaska?
Petersburg experiences a humid continental climate, characterized by very wet conditions annually and significant winter snowfall. Summers are cool, while winters are cold and bring abundant snow. Precipitation is spread relatively evenly throughout the year, with a strong pattern of wetter fall months and drier summers.
Petersburg Climate Graph - Alaska Climate Chart
Daily normals Petersburg - Alaska - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 34.0 | 27.1 | 0.35 | 0.35 | 0.60 | 0.60 |
| 2 Jan | 34.0 | 27.1 | 0.70 | 0.70 | 1.20 | 1.20 |
| 3 Jan | 34.0 | 27.0 | 1.05 | 1.05 | 1.70 | 1.70 |
| 4 Jan | 34.0 | 27.0 | 1.40 | 1.40 | 2.30 | 2.30 |
| 5 Jan | 34.0 | 27.0 | 1.75 | 1.75 | 2.90 | 2.90 |
| 6 Jan | 34.0 | 27.0 | 2.10 | 2.10 | 3.50 | 3.50 |
| 7 Jan | 34.0 | 27.0 | 2.45 | 2.45 | 4.00 | 4.00 |
| 8 Jan | 34.0 | 27.0 | 2.79 | 2.79 | 4.60 | 4.60 |
| 9 Jan | 34.0 | 27.0 | 3.14 | 3.14 | 5.20 | 5.20 |
| 10 Jan | 34.1 | 27.0 | 3.48 | 3.48 | 5.80 | 5.80 |
| 11 Jan | 34.1 | 27.0 | 3.83 | 3.83 | 6.50 | 6.50 |
| 12 Jan | 34.2 | 27.0 | 4.19 | 4.19 | 7.10 | 7.10 |
| 13 Jan | 34.2 | 27.1 | 4.56 | 4.56 | 7.70 | 7.70 |
| 14 Jan | 34.3 | 27.1 | 4.93 | 4.93 | 8.40 | 8.40 |
| 15 Jan | 34.4 | 27.1 | 5.31 | 5.31 | 9.10 | 9.10 |
| 16 Jan | 34.4 | 27.1 | 5.69 | 5.69 | 9.80 | 9.80 |
| 17 Jan | 34.5 | 27.2 | 6.07 | 6.07 | 10.50 | 10.50 |
| 18 Jan | 34.6 | 27.2 | 6.44 | 6.44 | 11.20 | 11.20 |
| 19 Jan | 34.7 | 27.2 | 6.82 | 6.82 | 11.90 | 11.90 |
| 20 Jan | 34.8 | 27.3 | 7.20 | 7.20 | 12.60 | 12.60 |
| 21 Jan | 34.9 | 27.3 | 7.58 | 7.58 | 13.30 | 13.30 |
| 22 Jan | 34.9 | 27.3 | 7.96 | 7.96 | 14.00 | 14.00 |
| 23 Jan | 35.0 | 27.4 | 8.34 | 8.34 | 14.70 | 14.70 |
| 24 Jan | 35.1 | 27.4 | 8.73 | 8.73 | 15.50 | 15.50 |
| 25 Jan | 35.2 | 27.4 | 9.11 | 9.11 | 16.20 | 16.20 |
| 26 Jan | 35.3 | 27.4 | 9.49 | 9.49 | 16.90 | 16.90 |
| 27 Jan | 35.4 | 27.5 | 9.87 | 9.87 | 17.60 | 17.60 |
| 28 Jan | 35.5 | 27.5 | 10.25 | 10.25 | 18.40 | 18.40 |
| 29 Jan | 35.6 | 27.5 | 10.63 | 10.63 | 19.20 | 19.20 |
| 30 Jan | 35.7 | 27.5 | 11.01 | 11.01 | 19.90 | 19.90 |
| 31 Jan | 35.8 | 27.5 | 11.39 | 11.39 | 20.70 | 20.70 |
Weather history Petersburg - September 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Sep | 57.0 | 48.9 | 0.09 | 0.00 | 0.0 |
| 02 Sep | 59.0 | 48.9 | 0.00 | 0.00 | 0.0 |
| 03 Sep | 68.0 | 48.0 | 0.00 | 0.00 | 0.0 |
| 04 Sep | 64.0 | 46.0 | 0.00 | 0.00 | 0.0 |
| 05 Sep | 62.1 | 43.0 | 0.00 | 0.00 | 0.0 |
| 06 Sep | 59.0 | 48.0 | 0.00 | 0.00 | 0.0 |
| 07 Sep | 62.1 | 51.1 | 0.00 | 0.00 | 0.0 |
| 08 Sep | 57.9 | 53.1 | 0.77 | 0.00 | 0.0 |
| 09 Sep | 60.1 | 50.0 | 1.68 | 0.00 | 0.0 |
| 10 Sep | 53.1 | 48.0 | T | 0.00 | 0.0 |
| 11 Sep | 62.1 | 41.0 | 0.00 | 0.00 | 0.0 |
| 12 Sep | - | - | - | - | - |
| 13 Sep | - | - | - | - | - |
| 14 Sep | - | - | - | - | - |
| 15 Sep | - | - | - | - | - |
| 16 Sep | - | - | - | - | - |
| 17 Sep | - | - | - | - | - |
| 18 Sep | - | - | - | - | - |
| 19 Sep | - | - | - | - | - |
| 20 Sep | - | - | - | - | - |
| 21 Sep | - | - | - | - | - |
| 22 Sep | - | - | - | - | - |
| 23 Sep | - | - | - | - | - |
| 24 Sep | - | - | - | - | - |
| 25 Sep | - | - | - | - | - |
| 26 Sep | - | - | - | - | - |
| 27 Sep | - | - | - | - | - |
| 28 Sep | - | - | - | - | - |
| 29 Sep | - | - | - | - | - |
| 30 Sep | - | - | - | - | - |
Past weather Petersburg
| Sep 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 60.4 ºF | 36 ºF | |
| Average low temperature Av. low temp. | 47.8 ºF | 26 ºF | |
| Total precipitation Total precip. | 2.54 inch | 11.48 inch | |
| Total snowfall Total snowfall | 0.00 inch | 22 inch | |
| Highest max temperature Highest max temp. | 68.0 ºF | - | |
| Lowest max temperature Lowest max temp. | 53.1 ºF | - | |
| Highest min temperature Highest min temp. | 53.1 ºF | - | |
| Lowest min temperature Lowest min temp. | 41.0 ºF | - | |
Past weather September 2026 incomplete - Missing data
Geo Petersburg - Alaska
| Country | United States | |
|---|---|---|
| State | Alaska | |
| County | - | |
| City | Petersburg | |
| Zip Code | 99833 | |
| Longitude | -132.96 dec. degr. | |
| Latitude | 56.81 dec. degr. | |
| Altitude - Elevation | 98ft | |
| ICAO | - | |
| IATA | - |
Date and Time Petersburg - Alaska
| Local Time | 03:21 AM | |
|---|---|---|
| Sunrise | 06:19 AM | |
| Sunset | 07:14 PM | |
| Day/Night | Night | |
| Timezone | Alaska Daylight Time | |
| Timezone DB | America - Anchorage |
Map of Petersburg - Alaska
USGS National Map — Open interactive map
Petersburg weather averages
| Annual high temperature | 50ºF |
| Annual low temperature | 37ºF |
| Average annual precip. | 109.23 inch |
| Av. annual snowfall | 77 inch |
Station Data
Monthly averages Petersburg
Longitude: -132.956, Latitude: 56.8125
Average weather Petersburg, AK - 99833
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...