Sanibel
Florida, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Sanibel, FL

A large flock of the iconic royal tern birds on the white sandy shores on a typical beach in Sanibel, Florida, with a great clear blue summer sky
A large flock of the iconic royal tern birds on the white sandy shores on a typical beach in Sanibel, Florida, with a great clear blue summer sky
The first month of the spring, March, is also a moderately hot month in Sanibel, Florida, with average temperature ranging between min 59°F (15°C) and max 78.8°F (26°C).

Temperature

In March, the average high-temperature is essentially the same as in February - a still moderately hot 78.8°F (26°C). In Sanibel, the average low-temperature is 59°F (15°C).

Rainfall

In Sanibel, in March, during 6 rainfall days, 2.9" (74mm) of precipitation is typically accumulated. Throughout the year, in Sanibel, there are 108 rainfall days, and 52.6" (1335mm) of precipitation is accumulated.

Ocean temperature

In Sanibel, the average seawater temperature in March is 68°F (20°C). For swimming, a surface water temperature of 68°F (20°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

The average length of the day in Sanibel is 12h.

Sunshine

In March, the average sunshine is 9h.

UV index

In March, the average daily maximum UV index is 9. A UV Index of 8 to 10 symbolizes a very high health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
In March, the average maximum UV index of 9 translate into the following recommendations:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in March in Sanibel?

The average high-temperature, in March, in Sanibel, Florida, is 78.8°F (26°C), while the average low-temperature is 59°F (15°C).

How many days does it rain in March in Sanibel?

In March, the rain falls for 6 days. Throughout March, 2.9" (74mm) of precipitation is accumulated.

How cold is the water in March in Sanibel?

In March, the average ocean temperature is 68°F (20°C). For most, swimming in 68°F (20°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

What is the average length of the day in March in Sanibel?

In March, the average length of the day in Sanibel is 12h.

How long on average sun shines in March in Sanibel?

The average sunshine in March is 9h.

What is the UV index intensity in March in Sanibel?

The average daily maximum UV index in March in Sanibel, Florida, is 9. A UV Index reading of 8 to 10 represents a very high hazard to health from the exposure to the Sun's UV rays.
Average temperature in March - Sanibel, FL
  • Average high temperature in March: 79°F

Warmest months (with the highest average high temperature) are July and August (91°F).
The month with the lowest average high temperature is January (73°F).

  • Average low temperature in March: 59°F

Months with the highest average low temperature are July and August (75°F).
Coldest months (with the lowest average low temperature) are January and February (54°F).

Average rainfall in March - Sanibel, FL
  • Average rainfall in March: 2.9"

The wettest month (with the highest rainfall) is June (8.9").
The driest month (with the lowest rainfall) is April (1.4").

Average rainfall days in March - Sanibel, FL
  • Average rainfall days in March: 6 days

The month with the highest number of rainy days is August (16 days).
The month with the lowest number of rainy days is April (4 days).

Average sea temperature in March - Sanibel, FL
  • Average sea temperature in March: 68°F

The best month for swimming (with the highest average sea temperature) is August (87.1°F).
The coldest month (with the lowest average sea temperature) is January (65.3°F).

Average daylight in March / Average sunshine in March - Sanibel, FL
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 13.8h).
The month with shortest days is December (Average daylight: 10.5h).

  • Average sunshine in March: 9h

Months with most sunshine are April, May and June (Average sunshine: 10h).
Months with least sunshine are January, November and December (Average sunshine: 7).

Average UV index in March - Sanibel, FL
  • Average UV index in March: 9

Months with the highest UV index are April, May, June, July and August (UV index 11).
Months with the lowest UV index are January and December (UV index 5).