Last updated: June 24, 2025
In October, the average temperature in Marine on Saint Croix, United States is a cool 9°C (48°F). Expect a range from a chilly -8°C (17°F) on the lows to a warm 28°C (83°F) at its peak. During this month, you'll also encounter 101 mm (4.0 in) of precipitation spread over 11 days, contributing to a noticeable average humidity of 84%.
In October in Marine on Saint Croix, the average temperature is 9°C (48°F), with maximums reaching 28°C (83°F) and minimums dropping as low as -8°C (17°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.
In Marine on Saint Croix in October, the precipitation amount is 101 mm (4.0 in) spread over 11 days.
In Marine on Saint Croix in October, humidity is 84%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that envelops you, making it essential to dress in layers and stay active, as the moisture in the air can quickly lead to discomfort while traveling.
In Marine on Saint Croix in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Marine on Saint Croix.
UV Risk Categories
Weather in Marine on Saint Croix varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Marine on Saint Croix, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -9°C (16°F) | 25 mm (1.0 inches) | 87% | low |
February Weather | -9°C (17°F) | 35 mm (1.4 inches) | 90% | moderate |
March Weather | 0°C (33°F) | 53 mm (2.1 inches) | 85% | moderate |
April Weather | 6°C (43°F) | 88 mm (3.5 inches) | 84% | high |
May Weather | 15°C (59°F) | 127 mm (5.0 inches) | 78% | very high |
June Weather | 21°C (71°F) | 95 mm (3.7 inches) | 80% | very high |
July Weather | 23°C (74°F) | 101 mm (4.0 inches) | 81% | very high |
August Weather | 21°C (70°F) | 123 mm (4.9 inches) | 81% | very high |
September Weather | 17°C (64°F) | 107 mm (4.2 inches) | 81% | high |
October Weather | 9°C (48°F) | 101 mm (4.0 inches) | 84% | moderate |
November Weather | 0°C (33°F) | 39 mm (1.5 inches) | 88% | moderate |
December Weather | -5°C (23°F) | 55 mm (2.2 inches) | 84% | low |