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October Weather in Myrtle, United States

Last updated: June 24, 2025

In October, the average temperature in Myrtle, United States hovers around 18°C (65°F), making for a mild climate. However, be prepared for temperature fluctuations, with minimums dipping to 0°C (33°F) and soaring to a sweltering 38°C (100°F). During this month, expect approximately 106 mm (4.2 in) of precipitation spread over 9 days, contributing to an average humidity level of 73%.

October Temperature in Myrtle

In October in Myrtle, the average temperature is 18°C (65°F). Maximum temperatures can reach as high as 38°C (100°F), while minimums can dip as low as 0°C (33°F). Travelers should be prepared for a wide range of temperatures during this time.

October Weather in Myrtle: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Myrtle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Myrtle, October typically has an average temperature of 18°C (65°F), with highs reaching up to 38°C (100°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec444856617278818076655148
Data source: Temperature data for Myrtle generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Myrtle

In Myrtle in October, the total precipitation amount is 106 mm (4.2 in), spread over the course of 9 days.

October Precipitation Trends in Myrtle

The chart displays monthly precipitation patterns in Myrtle, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Myrtle, October typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec12018815714611013311811311610679150
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Myrtle

In Myrtle in October, humidity is 73%. With an average temperature of 18°C (65°F), this humidity feels like a warm, slightly muggy embrace that can make exploring the outdoors a bit sticky, yet still pleasant for leisurely strolls and sightseeing.

October Average Humidity in Myrtle

This chart illustrates the average monthly humidity levels in Myrtle, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Myrtle is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Myrtle

In Myrtle in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Myrtle.

Maximum UV Index Levels in Myrtle for October

The chart shows the monthly maximum UV Index (UVI) for Myrtle in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Myrtle typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109764
Data source: Myrtle October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Myrtle Compares to Other Months

Weather in Myrtle varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Myrtle, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Myrtle, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)120 mm (4.7 inches)86%moderate
February Weather9°C (48°F)188 mm (7.4 inches)85%high
March Weather14°C (57°F)157 mm (6.2 inches)84%very high
April Weather16°C (62°F)146 mm (5.8 inches)81%very high
May Weather22°C (72°F)110 mm (4.3 inches)83%extreme
June Weather26°C (78°F)133 mm (5.2 inches)83%extreme
July Weather27°C (81°F)118 mm (4.6 inches)80%extreme
August Weather26°C (80°F)113 mm (4.4 inches)73%very high
September Weather24°C (76°F)116 mm (4.6 inches)70%very high
October Weather18°C (65°F)106 mm (4.2 inches)73%high
November Weather11°C (51°F)79 mm (3.1 inches)85%high
December Weather9°C (48°F)150 mm (5.9 inches)88%moderate

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