Warm-summer humid continental climate
Climate Grand Lake Stream - Maine
Annual high54ºF
Annual low34ºF
Precipitation44.84 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 27 | 6 | 3.99 |
| Feb | 31 | 9 | 3.13 |
| Mar | 39 | 19 | 4.07 |
| Apr | 52 | 32 | 3.52 |
| May | 65 | 42 | 3.60 |
| Jun | 74 | 52 | 3.37 |
| Jul | 79 | 58 | 3.38 |
| Aug | 78 | 56 | 3.02 |
| Sep | 70 | 48 | 3.71 |
| Oct | 58 | 37 | 4.14 |
| Nov | 45 | 29 | 4.55 |
| Dec | 33 | 16 | 4.36 |
- JanHigh 27ºFLow 6ºFPrecip 3.99 inch
- FebHigh 31ºFLow 9ºFPrecip 3.13 inch
- MarHigh 39ºFLow 19ºFPrecip 4.07 inch
- AprHigh 52ºFLow 32ºFPrecip 3.52 inch
- MayHigh 65ºFLow 42ºFPrecip 3.60 inch
- JunHigh 74ºFLow 52ºFPrecip 3.37 inch
- JulHigh 79ºFLow 58ºFPrecip 3.38 inch
- AugHigh 78ºFLow 56ºFPrecip 3.02 inch
- SepHigh 70ºFLow 48ºFPrecip 3.71 inch
- OctHigh 58ºFLow 37ºFPrecip 4.14 inch
- NovHigh 45ºFLow 29ºFPrecip 4.55 inch
- DecHigh 33ºFLow 16ºFPrecip 4.36 inch
Climate summary
What is the average weather in Grand Lake Stream, Maine?
Grand Lake Stream experiences a humid continental climate, marked by a very large seasonal temperature contrast. Summers are warm, while winters are cold, reflecting its inland location. Precipitation is fairly wet overall, spread relatively evenly throughout the year, though fall tends to be the wettest season.
Grand Lake Stream weather averages
Annual high54ºF
Annual low34ºF
Precipitation44.84 inch
Daily normals Grand Lake Stream - Maine - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 29.0 | 12.3 | 0.13 | 0.13 | 0.60 | 0.60 |
| Jan 2 | 28.8 | 12.0 | 0.26 | 0.26 | 1.10 | 1.10 |
| Jan 3 | 28.6 | 11.7 | 0.39 | 0.39 | 1.70 | 1.70 |
| Jan 4 | 28.4 | 11.3 | 0.52 | 0.52 | 2.20 | 2.20 |
| Jan 5 | 28.2 | 11.0 | 0.65 | 0.65 | 2.80 | 2.80 |
| Jan 6 | 28.0 | 10.7 | 0.78 | 0.78 | 3.40 | 3.40 |
| Jan 7 | 27.8 | 10.4 | 0.90 | 0.90 | 4.00 | 4.00 |
| Jan 8 | 27.7 | 10.1 | 1.03 | 1.03 | 4.70 | 4.70 |
| Jan 9 | 27.5 | 9.8 | 1.14 | 1.14 | 5.30 | 5.30 |
| Jan 10 | 27.4 | 9.6 | 1.26 | 1.26 | 5.90 | 5.90 |
| Jan 11 | 27.3 | 9.3 | 1.39 | 1.39 | 6.50 | 6.50 |
| Jan 12 | 27.2 | 9.1 | 1.51 | 1.51 | 7.10 | 7.10 |
| Jan 13 | 27.0 | 8.8 | 1.63 | 1.63 | 7.70 | 7.70 |
| Jan 14 | 26.9 | 8.6 | 1.75 | 1.75 | 8.20 | 8.20 |
| Jan 15 | 26.9 | 8.4 | 1.87 | 1.87 | 8.70 | 8.70 |
| Jan 16 | 26.8 | 8.2 | 1.99 | 1.99 | 9.30 | 9.30 |
| Jan 17 | 26.7 | 8.0 | 2.11 | 2.11 | 9.80 | 9.80 |
| Jan 18 | 26.6 | 7.9 | 2.23 | 2.23 | 10.30 | 10.30 |
| Jan 19 | 26.6 | 7.7 | 2.35 | 2.35 | 10.90 | 10.90 |
| Jan 20 | 26.6 | 7.6 | 2.47 | 2.47 | 11.40 | 11.40 |
| Jan 21 | 26.5 | 7.5 | 2.59 | 2.59 | 11.90 | 11.90 |
| Jan 22 | 26.5 | 7.4 | 2.71 | 2.71 | 12.50 | 12.50 |
| Jan 23 | 26.5 | 7.3 | 2.83 | 2.83 | 13.10 | 13.10 |
| Jan 24 | 26.5 | 7.3 | 2.96 | 2.96 | 13.60 | 13.60 |
| Jan 25 | 26.6 | 7.2 | 3.08 | 3.08 | 14.20 | 14.20 |
| Jan 26 | 26.6 | 7.2 | 3.19 | 3.19 | 14.80 | 14.80 |
| Jan 27 | 26.7 | 7.2 | 3.31 | 3.31 | 15.40 | 15.40 |
| Jan 28 | 26.7 | 7.2 | 3.42 | 3.42 | 15.90 | 15.90 |
| Jan 29 | 26.8 | 7.2 | 3.54 | 3.54 | 16.50 | 16.50 |
| Jan 30 | 26.9 | 7.3 | 3.65 | 3.65 | 17.10 | 17.10 |
| Jan 31 | 27.0 | 7.4 | 3.77 | 3.77 | 17.80 | 17.80 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Grand Lake Stream - September 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Sep 1 | – | – | 0.04 |
| Sep 2 | – | – | 0.00 |
| Sep 3 | – | – | 0.56 |
| Sep 4 | – | – | 0.06 |
| Sep 5 | – | – | – |
| Sep 6 | – | – | – |
| Sep 7 | – | – | – |
| Sep 8 | – | – | – |
| Sep 9 | – | – | – |
| Sep 10 | – | – | – |
| Sep 11 | – | – | – |
| Sep 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 | – | – | – |
The data for September 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
Geo Grand Lake Stream - Maine
Location
- Country
- United States
- State
- Maine
- County
- Washington
- City
- Grand Lake Stream
- Zip Code
- 4637
- Elevation
- 341 ft
- Longitude
- -67.78
- Latitude
- 45.18
- ICAO
- –
- IATA
- –