December weather forecastRatnagiri, India
December
Weather in December
The first month of the winter, December, is also a hot month in Ratnagiri, India, with temperature in the range of an average high of 30.5°C (86.9°F) and an average low of 22.8°C (73°F).An excellent water temperature of 27.9°C (82.2°F) and only 3.1 rainfall days, with 4mm (0.16") of accumulated rainfall, makes December a prime for swimming and other water activities.
Temperature
The advent of December denotes an average high-temperature of a still hot 30.5°C (86.9°F), subtly different from November's 31.2°C (88.2°F). Ratnagiri experiences an average low-temperature of 22.8°C (73°F) in the month of December.Heat index
The heat index value for December is computed to be a tropical 33°C (91.4°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.The standards for the heat index are set for locations in shade and under light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The average relative humidity in December in Ratnagiri is 57%.Rainfall
December is the last month it rains. During 3.1 rainfall days, in December, Ratnagiri aggregates 4mm (0.16") of precipitation. In Ratnagiri, India, during the entire year, the rain falls for 148.8 days and collects up to 1260mm (49.61") of precipitation.Sea temperature
In Ratnagiri, India, in December, the average water temperature is 27.9°C (82.2°F).Note: In water activities such as swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed highly pleasurable for extended periods without any unease.
Daylight
December has the shortest days of the year in Ratnagiri, with an average of 11h and 6min of daylight.On the first day of December, sunrise is at 6:50 am and sunset at 6:01 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:13 pm IST.
Sunshine
In Ratnagiri, the average sunshine in December is 9.9h.UV index
The months with the highest UV index are January through May, September through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the average maximum UV index of 7 translates into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ratnagiri, India
- Average high temperature in December: 30.5°C
The warmest month (with the highest average high temperature) is April (32.5°C).
The months with the lowest average high temperature are July and August (27.3°C).
- Average low temperature in December: 22.8°C
The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is January (22°C).
Average pressure in December
Ratnagiri, India
- Average pressure in December: 1012.4mbar
The month with the highest atmospheric pressure is January (1013.2mbar).
The months with the lowest atmospheric pressure are June and July (1006.4mbar).
Average wind speed in December
Ratnagiri, India
- Average wind speed in December: 10.9km/h
The windiest month (with the highest average wind speed) is July (17.7km/h).
The calmest month (with the lowest average wind speed) is October (9.2km/h).
Average humidity in December
Ratnagiri, India
- Average humidity in December: 57%
The month with the highest relative humidity is August (87%).
The months with the lowest relative humidity are January and February (56%).
Average rainfall in December
Ratnagiri, India
- Average rainfall in December: 4mm
The wettest month (with the highest rainfall) is June (344mm).
The driest months (with the least rainfall) are January and February (0mm).
Average rainfall days in December
Ratnagiri, India
- Average rainfall days in December: 3.1 days
The month with the highest number of rainy days is August (29.3 days).
The month with the least rainy days is February (0.2 days).
Average sea temperature in December
Ratnagiri, India
- Average sea temperature in December: 27.9°C
The best months for swimming (with the highest average sea temperature) are May and June (29.7°C).
The coldest month (with the lowest average sea temperature) is January (26.8°C).
Average daylight in December /
Average sunshine in December
Ratnagiri, India
- Average daylight in December: 11h and 6min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in December: 9h and 54min
The month with the most sunshine is February (Average sunshine: 10h and 0min).
The month with the least sunshine is July (Average sunshine: 4h and 12min).
Average sunshine days in December
Ratnagiri, India
- Average sunshine days in December: 27.5 days
The month with the most sunshine days is January (30 days).
The month with the least sunshine days is August (1.4 days).
Average UV index in December
Ratnagiri, India
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, September, October, November and December (UV index 7).
The months with the lowest UV index are June, July and August (UV index 6).
Average cloud cover in December
Ratnagiri, India
- Average cloud cover in December: 10
The month with the most cloud cover is July (Cloud cover 73).
The month with the least cloud cover is February (Cloud cover 4).
Average visibility in December
Ratnagiri, India
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, September, October, November and December (10km).
The months with the lowest visibility are June, July and August (9km).





