Beach
Kalmus Park Beach
Massachusetts · United States · Pacific Ocean
41.6351, -70.2764 · Hyannis, 2 km
- 20°Sea · August
- 22°High · August
- 8.3 hSunshine · July
Your month at the beach
Kalmus Park Beach in January
- 4°CAir, daytime high0°C at night
- 4°CSea temperature
- 2.8 hSunshine a day
- 11 daysRainy days in the month91 mm in total
- 31 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Kalmus Park Beach in February
- 4°CAir, daytime high0°C at night
- 3°CSea temperature
- 4.3 hSunshine a day
- 10 daysRainy days in the month87 mm in total
- 30 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Kalmus Park Beach in March
- 5°CAir, daytime high2°C at night
- 3°CSea temperature
- 5.4 hSunshine a day
- 11 daysRainy days in the month106 mm in total
- 29 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Kalmus Park Beach in April
- 8°CAir, daytime high6°C at night
- 6°CSea temperature
- 6.8 hSunshine a day
- 11 daysRainy days in the month97 mm in total
- 26 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Kalmus Park Beach in May
- 12°CAir, daytime high10°C at night
- 10°CSea temperature
- 7.3 hSunshine a day
- 11 daysRainy days in the month86 mm in total
- 23 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Kalmus Park Beach in June
- 17°CAir, daytime high15°C at night
- 15°CSea temperature
- 7.7 hSunshine a day
- 11 daysRainy days in the month84 mm in total
- 21 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Kalmus Park Beach in July
- 21°CAir, daytime high19°C at night
- 19°CSea temperature
- 8.3 hSunshine a day
- 10 daysRainy days in the month72 mm in total
- 20 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Kalmus Park Beach in August
- 22°CAir, daytime high20°C at night
- 20°CSea temperature
- 7.9 hSunshine a day
- 11 daysRainy days in the month74 mm in total
- 20 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Kalmus Park Beach in September
- 20°CAir, daytime high18°C at night
- 19°CSea temperature
- 7.2 hSunshine a day
- 9 daysRainy days in the month95 mm in total
- 22 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Kalmus Park Beach in October
- 16°CAir, daytime high13°C at night
- 15°CSea temperature
- 5.2 hSunshine a day
- 10 daysRainy days in the month114 mm in total
- 27 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Kalmus Park Beach in November
- 11°CAir, daytime high8°C at night
- 11°CSea temperature
- 3.7 hSunshine a day
- 10 daysRainy days in the month106 mm in total
- 28 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Kalmus Park Beach in December
- 7°CAir, daytime high3°C at night
- 7°CSea temperature
- 2.4 hSunshine a day
- 12 daysRainy days in the month114 mm in total
- 30 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
The beach itself
- 54Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap
- 4 kmAirport: Cape Cod Gateway Airport (HYA)In a straight line; by road it is further
No reliable information yet on: bathing water quality, wheelchair access, lifeguards.
January from 2020 to 2025
In January 2025 the sea averaged 2.6 °C — 1.7 °C below the 1991–2020 average.
1991–2020 average: 4.3 °C
1991–2020 average: 4.0 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
February from 2020 to 2025
In February 2025 the sea averaged 1.2 °C — 1.6 °C below the 1991–2020 average.
1991–2020 average: 2.8 °C
1991–2020 average: 3.7 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
March from 2020 to 2025
In March 2025 the sea averaged 3.7 °C — 0.4 °C above the 1991–2020 average.
1991–2020 average: 3.3 °C
1991–2020 average: 4.9 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
April from 2020 to 2025
In April 2025 the sea averaged 7.1 °C — 0.7 °C above the 1991–2020 average.
1991–2020 average: 6.4 °C
1991–2020 average: 8.1 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
May from 2020 to 2025
In May 2025 the sea averaged 12.1 °C — 1.7 °C above the 1991–2020 average.
1991–2020 average: 10.4 °C
1991–2020 average: 12.1 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
June from 2020 to 2025
In June 2025 the sea averaged 17.0 °C — 1.9 °C above the 1991–2020 average.
1991–2020 average: 15.1 °C
1991–2020 average: 16.9 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
July from 2020 to 2025
In July 2025 the sea averaged 21.3 °C — 2.0 °C above the 1991–2020 average.
1991–2020 average: 19.3 °C
1991–2020 average: 21.2 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
August from 2020 to 2025
In August 2025 the sea averaged 21.7 °C — 1.3 °C above the 1991–2020 average.
1991–2020 average: 20.4 °C
1991–2020 average: 21.9 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
September from 2020 to 2025
In September 2025 the sea averaged 20.3 °C — 1.6 °C above the 1991–2020 average.
1991–2020 average: 18.8 °C
1991–2020 average: 19.5 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
October from 2020 to 2025
In October 2025 the sea averaged 16.3 °C — 1.3 °C above the 1991–2020 average.
1991–2020 average: 15.0 °C
1991–2020 average: 15.5 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
November from 2020 to 2025
In November 2025 the sea averaged 10.1 °C — 0.5 °C below the 1991–2020 average.
1991–2020 average: 10.6 °C
1991–2020 average: 11.0 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
December from 2020 to 2025
In December 2025 the sea averaged 5.4 °C — 1.7 °C below the 1991–2020 average.
1991–2020 average: 7.1 °C
1991–2020 average: 7.1 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
When to go
1991–2020 averagesThe year at a glance
- Jan4°3 h91 mm
- Feb3°4 h87 mm
- Mar3°5 h106 mm
- Apr6°7 h97 mm
- May10°7 h86 mm
- Jun15°8 h84 mm
- Jul19°8 h72 mm
- Aug20°8 h74 mm
- Sep19°7 h95 mm
- Oct15°5 h114 mm
- Nov11°4 h106 mm
- Dec7°2 h114 mm
Each card is a month. The colour is the sea temperature, on the same scale as the map; in bold, the two best months for each.
Sea temperature
1991–2020 averagesClimate through the year
1991–2020 averagesRain
Sunshine
Sunshine hours are estimated from measured solar radiation, not observed directly.
Month by month
1991–2020 averagesEvery month at Kalmus Park Beach: air, sea, rain and sunshine. Averages for 1991–2020.
| Month | High°C | Low°C | Sea°C | Rainmm | Rainy daysdays | Sunshineh/day | Windkm/h |
|---|---|---|---|---|---|---|---|
| January | 4 | 0 | 4 | 91 | 11 | 2.8 | 31 |
| February | 4 | 0 | 3 | 87 | 10 | 4.3 | 30 |
| March | 5 | 2 | 3 | 106 | 11 | 5.4 | 29 |
| April | 8 | 6 | 6 | 97 | 11 | 6.8 | 26 |
| May | 12 | 10 | 10 | 86 | 11 | 7.3 | 23 |
| June | 17 | 15 | 15 | 84 | 11 | 7.7 | 21 |
| July | 21 | 19 | 19 | 72 | 10 | 8.3 | 20 |
| Augustwarmest sea | 22 | 20 | 20 | 74 | 11 | 7.9 | 20 |
| September | 20 | 18 | 19 | 95 | 9 | 7.2 | 22 |
| October | 16 | 13 | 15 | 114 | 10 | 5.2 | 27 |
| November | 11 | 8 | 11 | 106 | 10 | 3.7 | 28 |
| December | 7 | 3 | 7 | 114 | 12 | 2.4 | 30 |
Swipe sideways to see the other columns.
About these numbers
Averages are for 1991–2020; the recent years (2020–2025) are what actually happened. Neither is today's weather.
| What | Where it comes from | Nearest measurement |
|---|---|---|
| Air, rain and sunshine | NASA POWER | 28 km away |
| Sea temperature | NOAA OISST v2.1, 1991–2020 | 8 km away |
| 2020–2025, month by month | NASA POWER · NOAA OISST v2.1 | 28 km away |
| Lifeguards and places to stay | OpenStreetMap | within 1–5 km |
| Nearest airport | OurAirports | straight-line distance |
| Image at the top | Sentinel-2 cloudless (EOX) | at this spot |