March weather forecast and climate
Ushuaia, Argentina

March, the first month of the autumn, in Ushuaia, is still a chilly month, with average temperature varying between 9.6°C (49.3°F) and 3.1°C (37.6°F).

Temperature

In March, the average high-temperature is almost the same as in February - a frosty 9.6°C (49.3°F). In Ushuaia, the average low-temperature is 3.1°C (37.6°F).

Humidity

The average relative humidity is 81%.

Rainfall

In Ushuaia, during March, the rain falls for 24.6 days and regularly aggregates up to 63mm (2.48") of precipitation. In Ushuaia, Argentina, during the entire year, the rain falls for 239.1 days and collects up to 628mm (24.72") of precipitation.

Snowfall

Months with snowfall are January through December. In Ushuaia, during March, snow falls for 2.2 days and regularly aggregates up to 16mm (0.63") of snow. Throughout the year, in Ushuaia, there are 96.6 snowfall days, and 1183mm (46.57") of snow is accumulated.

Sea temperature

January through April, with an average sea temperature of 8°C (46.4°F), are months with the warmest seawater.
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

In Ushuaia, the average length of the day is 12.5h.

Sunshine

In Ushuaia, Argentina, the average sunshine is 5.3h.

UV index

In March, the average daily maximum UV index in Ushuaia, Argentina, is 2. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: In March, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.