Warm-summer humid continental climate
Climate Hyannis - Massachusetts
Annual high58ºF
Annual low43ºF
Precipitation43.31 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 39 | 22 | 3.66 | 4 |
| Feb | 40 | 23 | 3.32 | 5 |
| Mar | 45 | 30 | 4.47 | 2 |
| Apr | 54 | 38 | 3.85 | 0 |
| May | 63 | 47 | 3.20 | 0 |
| Jun | 72 | 57 | 3.37 | 0 |
| Jul | 78 | 64 | 2.81 | 0 |
| Aug | 77 | 63 | 3.20 | 0 |
| Sep | 71 | 56 | 3.49 | 0 |
| Oct | 61 | 45 | 3.73 | 0 |
| Nov | 53 | 37 | 4.04 | 0 |
| Dec | 44 | 28 | 4.17 | 4 |
- JanHigh 39ºFLow 22ºFPrecip 3.66 inch
- FebHigh 40ºFLow 23ºFPrecip 3.32 inch
- MarHigh 45ºFLow 30ºFPrecip 4.47 inch
- AprHigh 54ºFLow 38ºFPrecip 3.85 inch
- MayHigh 63ºFLow 47ºFPrecip 3.20 inch
- JunHigh 72ºFLow 57ºFPrecip 3.37 inch
- JulHigh 78ºFLow 64ºFPrecip 2.81 inch
- AugHigh 77ºFLow 63ºFPrecip 3.20 inch
- SepHigh 71ºFLow 56ºFPrecip 3.49 inch
- OctHigh 61ºFLow 45ºFPrecip 3.73 inch
- NovHigh 53ºFLow 37ºFPrecip 4.04 inch
- DecHigh 44ºFLow 28ºFPrecip 4.17 inch
Climate summary
What is the average weather in Hyannis, Massachusetts?
Hyannis experiences a humid continental climate, marked by warm summers and cold winters. Precipitation is fairly consistent throughout the year, with spring being the wettest season. Winters bring regular snowfall, contributing to the area's overall wet conditions.
Hyannis weather averages
Annual high58ºF
Annual low43ºF
Precipitation43.31 inch
Snowfall15 inch
Daily normals Hyannis - Massachusetts - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 40.3 | 24.5 | 0.12 | 0.12 | 0.20 | 0.20 |
| Jan 2 | 40.2 | 24.3 | 0.24 | 0.24 | 0.40 | 0.40 |
| Jan 3 | 40.0 | 24.1 | 0.36 | 0.36 | 0.60 | 0.60 |
| Jan 4 | 39.8 | 23.9 | 0.48 | 0.48 | 0.80 | 0.80 |
| Jan 5 | 39.7 | 23.7 | 0.60 | 0.60 | 1.00 | 1.00 |
| Jan 6 | 39.5 | 23.5 | 0.72 | 0.72 | 1.20 | 1.20 |
| Jan 7 | 39.4 | 23.3 | 0.85 | 0.85 | 1.30 | 1.30 |
| Jan 8 | 39.3 | 23.1 | 0.97 | 0.97 | 1.60 | 1.60 |
| Jan 9 | 39.2 | 22.9 | 1.09 | 1.09 | 1.80 | 1.80 |
| Jan 10 | 39.0 | 22.7 | 1.21 | 1.21 | 2.10 | 2.10 |
| Jan 11 | 38.9 | 22.6 | 1.33 | 1.33 | 2.40 | 2.40 |
| Jan 12 | 38.8 | 22.4 | 1.46 | 1.46 | 2.60 | 2.60 |
| Jan 13 | 38.7 | 22.3 | 1.58 | 1.58 | 3.00 | 3.00 |
| Jan 14 | 38.6 | 22.1 | 1.70 | 1.70 | 3.40 | 3.40 |
| Jan 15 | 38.6 | 22.0 | 1.83 | 1.83 | 3.80 | 3.80 |
| Jan 16 | 38.5 | 21.9 | 1.94 | 1.94 | 4.20 | 4.20 |
| Jan 17 | 38.4 | 21.8 | 2.06 | 2.06 | 4.60 | 4.60 |
| Jan 18 | 38.4 | 21.7 | 2.18 | 2.18 | 4.90 | 4.90 |
| Jan 19 | 38.3 | 21.6 | 2.30 | 2.30 | 5.30 | 5.30 |
| Jan 20 | 38.3 | 21.5 | 2.41 | 2.41 | 5.60 | 5.60 |
| Jan 21 | 38.3 | 21.5 | 2.52 | 2.52 | 6.00 | 6.00 |
| Jan 22 | 38.2 | 21.4 | 2.64 | 2.64 | 6.30 | 6.30 |
| Jan 23 | 38.2 | 21.4 | 2.76 | 2.76 | 6.70 | 6.70 |
| Jan 24 | 38.2 | 21.4 | 2.88 | 2.88 | 7.00 | 7.00 |
| Jan 25 | 38.2 | 21.4 | 3.00 | 3.00 | 7.30 | 7.30 |
| Jan 26 | 38.2 | 21.4 | 3.12 | 3.12 | 7.70 | 7.70 |
| Jan 27 | 38.2 | 21.4 | 3.24 | 3.24 | 8.00 | 8.00 |
| Jan 28 | 38.3 | 21.4 | 3.35 | 3.35 | 8.40 | 8.40 |
| Jan 29 | 38.3 | 21.4 | 3.47 | 3.47 | 8.70 | 8.70 |
| Jan 30 | 38.3 | 21.5 | 3.59 | 3.59 | 9.10 | 9.10 |
| Jan 31 | 38.4 | 21.5 | 3.71 | 3.71 | 9.50 | 9.50 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Hyannis - October 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Oct 1 | 66.9 | 57.9 | T |
| Oct 2 | 73.9 | 59.0 | T |
| Oct 3 | – | – | – |
| Oct 4 | – | – | – |
| Oct 5 | – | – | – |
| Oct 6 | – | – | – |
| Oct 7 | – | – | – |
| Oct 8 | 69.1 | 37.9 | 0.00 |
| Oct 9 | 70.0 | 48.9 | 0.00 |
| Oct 10 | 66.9 | 48.0 | 0.00 |
| Oct 11 | 60.1 | 41.0 | 0.00 |
| Oct 12 | – | – | – |
| Oct 13 | 63.0 | 53.1 | 0.05 |
| Oct 14 | 64.9 | 55.9 | 0.12 |
| Oct 15 | 75.9 | 55.0 | 0.00 |
| Oct 16 | 75.9 | 41.0 | 0.00 |
| Oct 17 | 75.9 | 41.0 | 0.35 |
| Oct 18 | 48.9 | 43.0 | 0.02 |
| Oct 19 | 52.0 | 37.0 | 0.00 |
| Oct 20 | – | – | – |
| Oct 21 | 59.0 | 52.0 | 0.00 |
| Oct 22 | 59.0 | 52.0 | 0.00 |
| Oct 23 | 59.0 | 46.9 | 0.00 |
| Oct 24 | 57.0 | 34.0 | 0.00 |
| Oct 25 | 57.0 | 34.0 | 0.00 |
| Oct 26 | 61.0 | 41.0 | 0.00 |
| Oct 27 | 63.0 | 41.0 | 0.00 |
| Oct 28 | 54.0 | 33.1 | 0.00 |
| Oct 29 | 54.0 | 33.1 | 0.00 |
| Oct 30 | 63.0 | 44.1 | T |
| Oct 31 | – | – | – |
The data for October 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature75.9ºF · Oct 15
- Lowest max temperature48.9ºF · Oct 18
- Highest min temperature59.0ºF · Oct 2
- Lowest min temperature33.1ºF · Oct 28
Geo Hyannis - Massachusetts
Location
- Country
- United States
- State
- Massachusetts
- County
- Barnstable
- City
- Hyannis
- Zip Code
- 2601
- Elevation
- 30 ft
- Longitude
- -70.28
- Latitude
- 41.67
- ICAO
- –
- IATA
- –