Gaithersburg Weather in October

October in Gaithersburg averages 19°C (66°F) during the day and 8°C (46°F) at night. It is the wettest month of the year, with 136 mm (5.4 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Gaithersburg in October

During the wettest month of the year, an umbrella can be your best friend to stay dry. Rain is expected on roughly 10 days, totalling around 136 mm (5.4 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Gaithersburg in October

October in Gaithersburg sees highs of 19°C (66°F) and lows of 8°C (46°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Gaithersburg in October

The month enjoys around 205 hours of sunshine, creating mostly sunny days with good weather conditions.

If your ideal day consists of dry skies and pleasant temperatures, August typically offers the best circumstances for Gaithersburg.