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Goldfish walk around on land during Rain.

Rain occurs randomly[1] and affects all surface biomes for its duration. Each Rain event begins at a random time and lasts for 24 in-game hours (24 real-world minutes), spanning both day and night portions. When a player is in a Snow Biome during Rain, it appears as a Blizzard, causing snowfall volume to increase.

Rain is primarily an aesthetic Surface effect: It displays Rain/Blizzard graphics, darkened ambient sun/moon light, and altered music. There are however some functional effects.

Rain does not actually produce new Water tiles, doesn't cause existing Water levels to rise, and has no effect on Lava or Honey tiles, but it does spawn some unique enemies or enemy variants, and certain Critters behave differently. Some comical effects include Zombies wearing rain coats; Slimes carrying umbrellas; and Goldfish walking upright on land, using their tail fins to casually shuffle about (swimming goldfish will exit water and walk, and walking goldfish will also spawn anew on land).

On the Desktop Version Desktop version, rain has three different variations; Light Rain, regular Rain, and Heavy Rain. The heavier the rainfall, the dimmer the sunlight will be, with heavy rain causing noticeable darkness. These variations are only graphical, can be detected with a Weather Radio, and can change multiple times throughout a single storm.

Other effects include:

  • There is a +20% Fishing Power bonus in all liquid bodies during Rain.
  • Waterleaf blooms.
  • Worms spawn frequently in Forest biomes.
  • NPCs remain in their Houses, as if it were night.
  • If Rain coincides with a Blood Moon, Rain will appear to be red-colored.
  • Console Version If you exit to the title screen during Rain, it might show fog.

See below for a complete list of unique Rain spawns, including Hardmode spawns.

Contents[edit | edit source]

Characters Unique Drops
Flying Fish.png Flying Fish
Umbrella Slime.png Umbrella Slime
Raincoat Zombie.png Raincoat Zombie

During hardmode:

Angry Nimbus.png
Angry Nimbus 
Rainbow Slime.png
Rainbow Slime 
(The Hallow, rare)

During hardmode blizzards:

Ice Golem.png
Ice Golem 


Flying Fish Banner.png Flying Fish Banner
Umbrella Slime Banner.png Umbrella Slime Banner
Raincoat Zombie Banner.png Raincoat Zombie Banner
Angry Nimbus Banner.png Angry Nimbus Banner
Rainbow Slime Banner.png Rainbow Slime Banner Desktop VersionConsole Version
Ice Golem Banner.png Ice Golem Banner Desktop VersionConsole Version
From Zombie variant:
Rain Hat.png Rain Hat
Rain Coat.png Rain Coat

From Umbrella Slime:

Umbrella Hat.png Umbrella Hat

From Angry Nimbus:

Nimbus Rod.png Nimbus Rod

From Rainbow Slime:

Rainbow Brick v2.gif Rainbow Brick
From Ice Golem:
Ice Feather.png Ice Feather
Frost Core.png Frost Core Desktop VersionConsole VersionMobile only.pngOld-gen console version
Frost Staff.png Frost Staff

Notes[edit | edit source]

  • Occasionally, on the Mobile only.pngMobile version, lightning and subsequent thunder will occur during rain. This causes nothing but an aesthetic flash of light and sound.
  • You can create 'rain' using Rain Cloud, though this has nothing to do with the Rain event and is purely aesthetic.
  • Rain's animation stops when you exit the screen in windowed mode (unlike other animations).
  • When it is raining and snowing at the same time, the snow animation stops, but not the rain animation.
  • Normal Snow Biome monsters will continue to spawn during a Blizzard.
  • Rain can interfere with a Blood Moon or Solar Eclipse because of the additional enemies that spawn, making certain enemies from those events rarer.
  • If Rain coincides with a Blood Moon walking Goldfish will still turn into Corrupt Goldfish, which don't walk upright in rain like normal goldfish do.
  • Angry Nimbuses are more likely to spawn if you are in a location where few other enemy types can spawn. If you are on a platform high enough above the rest of the terrain that ground enemies don't spawn, but not so high that harpies start to spawn, you may see more Nimbuses. This may also be because Nimbuses are clouds so they spawn more often at a certain height.
  • Chances for Rain/Blizzard are 1 in 475,200 per game tick. There are 60 ticks per real-world second, or in-game minute. So, throughout a full in-game day, the chance of rain is about 16.6%. This is equivalent to a storm occurring every six in-game days, or every 2 hours and 24 minutes in real-time.
  • The Weather RadioDesktop VersionConsole Version will detect when it's raining on surface (wherever the player is).
  • The rainfall animation is blocked by blocks. This makes no difference to the blooming of waterleaf, but does prevent the spawning of worms.

See also[edit | edit source]

References[edit | edit source]

  1. Actual chances for Rain/Blizzard are 1 in 475,200 per game tick. There are 60 ticks per real-world second, or in-game minute. So, throughout a full in-game day, the chance of rain is about 16.6%. This is equivalent to a storm occurring every six in-game days, or every 2 hours and 24 minutes in real-time.

History[edit | edit source]

Desktop VersionDesktop version

  • Desktop 1.3.4: The Blizzard weather event now has a new, unique ambient sound when active. It no longer rains in the space biome.
  • Desktop 1.2.3: Slightly reduced chance of rain. Optimized rain performance. Fixed minor bug with rain sounds.
Random Events Rain • Slime RainDesktop VersionConsole Version • Blood Moon • SandstormDesktop Version • Solar Eclipse
Summonable Events Goblin Army • Frost Legion • Pirate Invasion • Solar Eclipse • Pumpkin Moon • Frost Moon • Martian MadnessDesktop VersionConsole Version • Lunar EventsDesktop VersionConsole Version • PartyDesktop Version • Old One's ArmyDesktop Version
Seasonal Events Valentine's DayMobile only.png3DS logo.svg • St. Patrick's DayMobile only.png • EasterMobile only.png3DS logo.svg • OktoberfestMobile only.png3DS logo.svg • ThanksgivingMobile only.png3DS logo.svg • Halloween • Christmas
Unimplemented Events Chinese New YearMobile only.png
Promotional Content